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Enter the value of the exponent n for the equation 2^8 * 2^n=2^11
Alex strings lights on his 6-foot long fireplace mantel from one end to the other end during the holiday season. The curve that the string of lights creates is called a catenary. This curve is modeled by the equation y=10 cosh(x/10)-4.5 on the interval [-3,3], where x and y are measured in feet. At what height is the string of lights closest to the floor? Report your answer to one decimal place.
Use the given confidence level and sample data to find a confidence interval for the population standard deviation σ. Assume that a simple random sample has been selected from a population that has a normal distribution. Salaries of college professors who took a geology course in college 90% confidence; n=71, x̄=73,900, s=16,124 (Round to the nearest dollar as needed.)
(a) Transform the age to a z-score. z=-0.19 (Type an integer or decimal rounded to two decimal places as needed.) (b) Interpret the results. An age of 27 is 0.19 standard deviation(s) below the mean. (Type an integer or decimal rounded to two decimal places as needed.) (c) Determine whether the age is unusual. Choose the correct answer below. A. No, this value is not unusual. A z-score outside of the range from -2 to 2 is not unusual. B. No, this value is not unusual. A z-score between -2 and 2 is not unusual. C. Yes, this value is unusual. A z-score between -2 and 2 is unusual. D. Yes, this value is unusual. A z-score outside of the range from -2 to 2 is unusual.
Draw the organic product you would expect to isolate from the nucleophilic substitution reaction between the molecules shown. Note: You do not need to draw any of the side products of the reaction, only the substitution product.
Chapter 24 Question 28 - Multiple Choice Part A The currents of water (containing food) that pass through a sponge are maintained by the osculum. collar cells. ganglia. a water-vascular system. medusae.
Solve: log4(-3x+14)=log4(-4x+16) x=□ (Enter DNE if no solution exists)
A company manufactures two types of electric hedge trimmers, one of which is cordless. The cord-type trimmer requires 2 hours to make, and the cordless model requires 4 hours. The company has only 800 work hours to use in manufacturing each day, and the packaging department can package only 300 trimmers per day. If the company profits are 36.50 for the cord-type model and 73.00 for the cordless model, how many of each type should the company produce per day to maximize profits? Scenario =1 (with the smaller number of cord-type trimmers): corded models cordless models Scenario =2 (with the larger number of cord-type trimmers): corded models cordless models
Maximal Flow Problem. For the network shown below, determine the maximum flow from source node 1 to destination node 6. Flow capacities for each branch are indicated in the diagram. Once the three (3) network paths defined above are resolved, there are additional paths through the network by which flow can be increased between the input node and the output node.
Solve by completing the square. x^2 + 14x = -19 Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth. x= x= or x=
The rumor "People who study math all get scholarships" spreads within a technical high school. Data in the following table show the number of students N who have heard the rumor 1+19.100 e (Round to three decimal places as needed.) b) Estimate the limiting value of the function. At most, how many students will hear the rumor? According to the logistic equation, at most 29 students will hear the rumor. (Round to the nearest whole number as needed.) c) Graph the function. Choose the correct graph below. Each viewing window has a horizontal axis from 0 to 13 in increments of 1 and a vertical axis from 0 to 31 in increments of 5. A. B. C. D. d) Find the rate of change, N'(t). Use the rounded values from part a) for your calculations. N'(t)= (Type an exact answer in terms of e. Use integers or decimals for any numbers in the equation. Round to three decimal places as needed.)
Perform the indicated operation of addition on the two rational expressions and reduce your answer to lowest terms. y/(8x) + (x-4)/(5y)
A ranger in tower A spots a fire at a direction of 347°. A ranger in tower B, located 60 mi at a direction of 59° from tower A, spots the fire at a direction of 317°. How far from tower A is the fire? How far from tower B? The fire is from tower A. (Round to the nearest whole number.) The fire is from tower B.
The function g is defined by the following rule. g(x) = (1/10)^x Find g(x) for each x-value in the table. x g(x) -3 999.999999 -2 99.99999 -1 10 0 1.0 1 0.1
Find the amplitude, period, and phase shift of the function. y=-4 sin(2 x + (π/2)) What is the amplitude? What is the period? What is the phase shift?
Week 4 : Homework 4 Problem 1-3B (Also) Prepare financial statements (LO:13) Shell Investments provides financial services related to investment selections, retirement planning, and general insurance needs. At the end of the year on December 31, 2024, the company reports the following amounts: Service revenue 331,900 Selling expense 134,800 Interest expense 8,400 Rent expense 22,000 Equipment 4,800 Accounts payable 120,000 In addition, the company had common stock of 100,000 at the beginning of the year and issued an additional 11,000 during the year. The company also had retained earnings of 141,300 at the beginning of the year and paid dividends of 3,600. Required: 1. Prepare the income statement for Shell Investments. 2. Prepare the statement of stockholders' equity for Shell Investments. 3. Prepare the balance sheet for Shell Investments.
import-substitution neocolonialism. All of these are correct. colonialism.
Question 16 of 25: Step 1 of 1 Simplify the expression using the properties of exponents. Expand any numerical portion of your answer and only include positive exponents. (x^2)^5 Correct: 15/25
The process of photosynthesis occurs primarily in a plant's leaves. What organelle is responsible for this process? Mitochondria The nucleus Ribosomes Chloroplasts
Are you smarter than a second-grader? A random sample of 50 second-graders in a certain school district are given a standardized mathematics skills test. The sample mean score is x̄=46. Assume the standard deviation of test scores is σ=15. The nationwide average score on this test is 50. The school superintendent wants to know whether the second-graders in her school district have different math skills from the nationwide average. Use the α=0.10 level of significance and the P-value method with the π - 84 calculator. State the appropriate null and alternate hypotheses. H0: H1: This hypothesis test is a (Choose one) test.
(x)(3xy + 6x - 1)
Cole jumped in the pool 56 times and Logan jumped 34 times. How many more times did Cole jump in the pool?
During childbirth, the term "crowning" refers to when (A) the cervix has just fully dilated. (B) the uterine contractions are about to start. (C) the baby's head has just reached the vaginal opening. (D) the placenta is about to be delivered.
Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of 0.22 inches and a standard deviation of 0.05 inches. What proportion of woodlice have antenna lengths that are at most 0.15 inches? Round your answer to at least four decimal places.
When users log on to the domain, in addition to being given access to domain file resources, they are given access to a Microsoft SQL Server database server and an internal website through Windows integrated authentication. This is an example of which authentication model? Choose the correct answer DAC SSO Three-factor authentication Two-factor authentication
Find the centroid of the region lying underneath the graph of the function (f(x)=e^-x) over the interval ([0,1]). [ xC M=(e-2) /(e-1) yC M= ]
Question 38 2 pts The Policy Deployment "wheel" depicts the cascading of communication. Moving from one level to the next around the perimeter, it is important to "play catch" between hand-offs to ensure adequate understanding. True False Question 39 2 pts Prevention Costs include all of the following except: Training Education Calibration Inspection
Construct a box plot from the given data. Use the approximation method Diameters of Cans in an Assembly Line: 5.5, 5.2, 5.7. 5.1, 5.5, 5.7, 5.8, 5.5, 5.8
Ya que se detectaron diez áreas de oportunidad del brief, modelo de negocio y landing page de la marca, desarrolla un plan de acción e impleméntalo. Esto puede ser desde contenido textual y gráfico hasta cambios "radicales". Puedes apoyarte de algún diseñador gráfico para que tenga un estilo profesional. Contesta lo siguiente: a. ¿Cuál es el propósito de realizar las mejoras a cada "sección": brief, modelo de negocio y landing page? b. ¿Qué diferenciación otorgarán con los competidores del mercado? c. ¿Cuánto tiempo tardarán en realizar dichas mejoras? d. Revisa en Internet cómo realizar un plan de mejora y presenta tres planes de mejora uno para el brief, otro para el modelo de negocio y uno más para el landing page. e. Presenta el plan de mejora a la marca seleccionada. Anexa evidencia del envio de la propuesta a la marca, puede ser impresión de pantalla del correo, Facebook o tres fotografías de una reunión presencial. Una de las herramientas fundamentales al querer impulsar una marca es posicionarla en el buscador más utilizado en México, que es Google. La manera más sencilla para poder realizar esto, es hacer una campaña de Google AdWords, es decir, anuncios pagados. a. Para hacer una campaña en Google AdWords, deberás realizar el mapa conceptual de la estructura de tu campaña, teniendo en cuenta los objetivos ya planteados en tu modelo de negocio. b. Revisa que esto ya exista dentro de la marca seleccionada, de lo contrario, propón cómo integrarlo.
McDonald's has 13 different hamburgers on the menu. The prices are displayed in the dotplot and summary statistics are provided. n Mean SD Min Q1 Med Q3 Max 13 2.95 1.53 1 1.34 3.69 4.49 4.69 A McDonald's manager in Michigan, where there is a sales tax of 6%, adjusts all these prices to include this sales tax. a. What is the price that includes sales tax for the Big Mac priced at 4.49? b. What mathematical operation was used for this calculation? c. What are the mean and standard deviation of the distribution of McDonald's hamburger prices that include sales tax? Mean: SD: d. What are the median and IQR of the distribution of McDonald's hamburger prices that include sales tax? Median: IQR:
Simplify the expression using the properties of exponents. Expand any numerical portion of your answer and only include positive exponents. (-7)^2
Graphing Transformations of Absolute Value Functions The graph f(x)=x is shown below. Let g(x) be a transformation of f(x) shifted up 2 and right 3. Draw the graph of g(x) and write its formula below. Draw: Write the transformation of f(x)=x below. Be sure to use proper function notation.
Question 14 3.35 Points You make a solution of a nonvolatile solute with a liquid solvent. Indicate if each of the following statements is true or false. (1) The freezing point of the solution decreases as the concentration of the solute increases. (2) The boiling point of the solution is independent of the concentration of the solute. (A) Both are true (B) Both are false C 1 is true while 2 is false (D) 1 is false while 2 is true
The first derivative of a continuous function y=f(x) is y'=x(x-18)^2. Find y'' and then use the graphing procedure to sketch the general shape of the graph of f. y''=3x^2-54x+324
Tonsils form a protective ring of tissue around the openings of the oral and nasal cavities. dense connective nervous lymphatic cartilage
Question 12 3.35 Points If we touch a flask after urea was in the water in the flask, we will feel the flask is now cooler than it was before the urea was added. What can we say about this reaction between potassium and the water? A It is an endothermic reaction. (B) The value of ΔE is negative. C Heat from surrounds is absorbed by the system (D) The value for q in ΔE=q+w is negative (E) All the above are true F Only A and C are true
The primary motor area (cortex) send signals to which of following that ultimately results in muscle contractions? Cerebellum and temporal lobe Spinal cord and limbic system Primary visual area Brainstem and spinal cord
Subtract. Write your answer as a mixed number in simplest form. 8 5/7 - 3 3/7
Find the necessary sample size. You wish to estimate the mean weight of machine components of a certain type and you require a 95% degree of confidence that the sample mean will be in error by no more than 0.009 g. Find the sample size required. A pilot study showed that the population standard deviation is estimated to be 0.02 g.
What is the IUPAC name of the following compound?
An exponential function f(x)=ab^x passes through the points (0,7000) and (3,7). What are the values of a and b ? a= b=
The graph shows kites WXYZ and W'X'Y'Z'. Which sequence of transformations maps WXYZ onto W'X'Y'Z'? a rotation 90° counterclockwise around the origin followed by a translation up 6 units a rotation 90° clockwise around the origin followed by a reflection across the y-axis a rotation 90° clockwise around the origin followed by a translation right 8 units
Suppose the monthly time students at a particular university spend studying during a semester is approximately normally distributed with a mean of 75 hours and a standard deviation of 11 hours. Complete parts a through c. a. What is the probability that an individual student randomly selected from the population will study between 70 and 80 hours? P(70 ≤ x̄ ≤ 80)= (Round to four decimal places as needed.)
Nobelium, an element discovered in 1958, has a half-life of 10 min under certain conditions. In a sample containing 1 g of nobelium, the amount left after t min is given by A(t)=(0.5)^(t / 10). (Round to three decimal places.) (a) How much nobelium is left after 9 min? (b) How much nobelium is left after 1 h?
Where are the sensory receptors for equilibrium located? Cerebellum Brainstem Inner ear Cardiac muscle
Question 32 1 pts In stage IV ovarian cancer the disease has spread throughout the peritoneal cavity. True False
Number of Jobs A sociologist found that in a sample of 50 retired men, the average number of jobs they had during their lifetimes was 6.8. The population standard deviation is 1.8. Part 1 of 4 (a) Find the best point estimate of the mean. The best point estimate of the mean is 6.8. Part 2 of 4 (b) Find the 95% confidence interval of the mean number of jobs. Round intermediate and final answers to one decimal place. Part 3 of 4 (c) Find the 99% confidence interval of the mean number of jobs. Round intermediate and final answers to one decimal place.
Calculate, to the nearest cent, the present value of an investment that will be worth 1,000 at the stated interest rate after the stated amount of time. Hin 6 years, at 5.8% per year, compounded weekly (assume 52 weeks per year)
Why do plasma proteins typically remain in the bloodstream and not enter the tissue fluids? O Plasma proteins are too large to diffuse out of the capillaries. Plasma proteins coat the lining of the endothelium and block the membrane pores. Plasma proteins cannot pass through precapillary sphincters. Plasma proteins are hydrophobic and so remain in the bloodstream.
[SELECT ALL THAT APPLY] Which of the following is/are TRUE regarding LPL and CMs? LPL releases free fatty acids and glycerol from the adipose tissue. LPL is located in the cytoplasm of muscle cells and adipocytes. LPL is activated by ApoCII of chylomicrons. CM remnants are uptaken by the liver. CM remnants contain high level of triglycerides. CM remnants use ApoB-48 as ligand for uptake.
Hans wants to buy a bond that will mature to 5500 in seven years. How much should he pay for the bond now if it earns interest at a rate of 2% per year, compounded continuously? Do not round any intermediate computations, and round your answer to the nearest cent.
Identify the examples of the institutions of civilization and enlightenment that have made it possible to reduce aggression and violence throughout the world as identified by Pinker (2011). (Select all that apply.) - Weapon advancement - Economic trade - Government policing - Contact sport - Education - Justice
Solve: x+31=-31
The table provided below shows paired data for the heights of a certain country's presidents and their main opponents in the election campaign. Construct a scatterplot. Does there appear to be a correlation? Does there appear to be a correlation between the president's height and his opponent's height? A. Yes, there appears to be a correlation. As the president's height increases, his opponent's height decreases. B. Yes, there appears to be a correlation. The candidate with the highest height usually wins C. Yes, there appears to be a correlation. As the president's height increases, his opponent's height increases. D. No, there does not appear to be a correlation because there is no general pattern to the data.
Government funding: The following table presents the budget (in millions of dollars) for selected organizations that received U.S. government funding for arts and culture in both 2006 and last year. Organization 2006 Last year --------- Organization 1 460 446 Organization 2 247 235 Organization 3 142 152 Organization 4 124 173 Organization 5 95 165 Organization 6 18 46 Organization 7 2 6 Send data to Excel Part: 0 / 4 Part 1 of 4 (a) Construct a scatterplot of the funding last year (y) versus the funding in 2006 (x). 2006 funding (millions of dollars)
A typical atom has a size of about Q. 1 micrometers (10^-7 meters) Q. 1 nanometers (10^-10 meters) Q. 1 picometers (10^-13 meters)
Find the indicated area under the standard normal curve. To the right of z=2.59 The area to the right of z=2.59 under the standard normal curve is (Round to four decimal places as needed.)
Total spending in the economy is calculated as: C+I+G+(X-M). Y-C-I. C+I+G+(M-X). Y-I-G-N X
Chemical Reactions Finding a molecular formula from molar mass and elemental analysis of binary... Compound X has a molar mass of 104.01 g/mol and the following composition: element - mass % nitrogen - 26.93 % fluorine - 73.07 % Write the molecular formula of X.
Which feature is shared by the villi and microvilli of the small intestines, the cristae of mitochondria, and thylakoids of chloroplasts? energy provider for the organism amplification of surface area site of catabolic metabolism requirement for absorption and secretion site of anabolic metabolism
Dietary intake of what type of fat is most highly related to heart disease? Saturated Polyunsaturated Monounsaturated
Healthy Gum Demand Schedule Price (P) Quantity (Q) 1 10 2 8 3 6 4 4 5 2 The table above shows the demand for gum faced by Healthy Gum Company. Determine which price will provide the highest total revenue. What is the maximum revenue at this price? Provide your answer below: P= , Maximum Revenue =
ADDITIONAL REVIEW QUESTIONS FOR EXAM # 2 These questions are based on Topic 4 (Fiscal Policy) sections I and II. Question #1 Explain what is meant by the "natural level of output"? Question #2 (A) Draw a diagram that shows the macro-economy in an inflationary gap. What is meant by an "inflationary gap"? Indicate the inflationary gap on the diagram. (B) What is the basic cause of an inflationary gap? (C) What are the characteristics of an inflationary gap in terms of output, employment and prices? Question #3 (A) Draw a diagram that shows the macro-economy in a recessionary gap. What is meant by a "recessionary gap"? Indicate the recessionary gap on the diagram. (B) What is the basic cause of a recessionary gap? (C) What are the characteristics of a recessionary gap in terms of output, employment and prices? Question #4 (A) Explain two ways in which the government can implement restrictive fiscal policy. (B) Draw a diagram that shows the economy in an inflationary gap. Should the government pursue expansionary fiscal policy or should it pursue restrictive fiscal policy to correct this gap? Use the diagram to explain the impact of fiscal policy.
Explain two ways in which (2 y+7)^2 and 4 y^2+28 y+49 are related. Choose the correct answer below. A. The product of 4 y^2+28 y+49 is (2 y+7)^2 and the factored form of 4 y^2+28 y+49 is (2 y+7)^2. B. The product of (2 y+7)^2 is 4 y^2+28 y+49 and the factored form of (2 y+7)^2 is 4 y^2+28 y+49. C. The product of 4 y^2+28 y+49 is (2 y+7)^2 and the factored form of (2 y+7)^2 is 4 y^2+28 y+49. D. The product of (2 y+7)^2 is 4 y^2+28 y+49 and the factored form of 4 y^2+28 y+49 is (2 y+7)^2.
Solve the following problem using the formula P=2 π sqrt(L/32), where P, the period of a pendulum in seconds, depends on L, its length in feet. Determine the length if the period is 4.8 seconds. Round to two decimal places.
Translate the following into an algebraic expression: the quotient of a number and four.
Solve the following. 6(7x+7)=-42
Find the 16th percentile. The 16th percentile is 15.0 Alternate Answer: The 16th percentile is 15. Find the 80th percentile. The 80th percentile is
Select your answer Which equation represents a line that contains the points (2,3) and (3,5) ? y=3 x +4 y=x +1 y=5 x - 10 y=2 x - 1
To reduce laboratory costs, water samples from six public swimming pools are combined for one test for the presence of bacteria. Further testing is done only if the combined sample tests positive. Based on past results, there is a 0.006 probability of finding bacteria in a public swimming area. Find the probability that a combined sample from six public swimming areas will reveal the presence of bacteria. Is the probability low enough so that further testing of the individual samples is rarely necessary? The probability of a positive test result is (Round to three decimal places as needed.)
Question 80 2 pts A 65-year-old patient recently diagnosed with cancer retired from construction work. Which cancer is likely to develop secondarily to occupational hazards? Prostate cancer Bladder cancer Mesothelioma Bone cancer
x + 2y = 6 3x - y = -10
Select the correct answer What would most likely be the effect of changing George S. Kaufman's The Still Alarm so that the characters reacted in a panic rather than in a calm manner? A. The play would be significantly shorter. B. The characters would be more likeable C. The play would not have a comic tone. D. The play would include more dialogue.
Motion Sensor A cart of mass m is pulled along a level dynamics track as shown above. A force sensor is attached to the cart with a string and used to measure the horizontal force exerted on the cart to the right. A motion sensor is used to measure the acceleration of the cart with the positive direction toward the right. Friction is not negligible. a. On the dot below, which represents the cart, draw and label the forces (not components) that act on the cart. Each force must be represented by a distinct arrow starting on, and pointing away from, the dot. A student pulls the force sensor with a constant force, and the cart accelerates. This is repeated for several trials, with a different constant force used for each trial. The data are recorded in the table below. Trial 1 2 3 4 5 Force sensor reading (N) 0.32 0.38 0.44 0.50 0.60 Acceleration (m / s^2) 0.12 0.22 0.33 0.50 0.70 b. i. On the grid below, plot data points for the acceleration of the cart as a function of the force sensor reading. Clearly scale all axes. Draw a straight line that best represents the data.
For the quadratic equation 2x^2 - 4x + 5 = 0, find the value of the discriminant to determine if the equation has a real or non-real solution. a.) sqrt(24); real solution b.) sqrt(36); real solution c.) sqrt(-24); non-real solution d.) sqrt(-36); non-real solution
Consider the value of t such that 0.05 of the area under the curve is to the right of t. Assuming the degrees of freedom equals 27, select the t-value from the t-distribution table.
Unit 2 Part 2 Practice Test
1. A bicyclist pedaling up a hill P 3. A volleyball player spiking a ball K 2. An archer with his bow drawn P 5. The chemical bonds in sugar P 4. A baseball thrown to second base K 6. The wind blowing through your hair K 7. Walking down the street K 8. Sitting in the top of a tree P 9. A bowling ball rolling down the alley K 10. A bowling ball sitting on the rack P
Which of the following is an example of the anecdotal fallacy? ○ Your opponent claims that herbal medicine is more beneficial than modern medicine because it uses the power of Mother Earth. ○ Your opponent claims that we should continue to fund the war effort because we have spent so much money on it already. ○ Your opponent uses a personal story about shooting an intruder to refute your statistical claim that keeping loaded handguns in the home significantly increases the likelihood of homicide for that home's residents. ○ Your opponent dismisses your example of Alice Cooper as a rockstar who didn't use drugs by stating that his sobriety shows he isn't a real rockstar.
Question 5 10 pts Given a uniform probability distribution with a minimum of 5 and a maximum of 15 . Calculate the probability x=>12. Enter answer with 1 decimal. Note; If the answer is 0.7, include the zero before the decimal. Question 6 10 pts Given a uniform probability distribution with a minimum of 5 and a maximum of 15. Calculate the probability x<9. Enter answer with 1 decimal. Note; If the answer is 0.7, include the zero before the decimal.
Question 1 Fill in the missing values to make the equations true. (a) log9 5 - log9 4 = log9 □ (b) log8 11 + log8 □ = log8 55 (c) 2 log5 3 = log5 □
Determine whether this table represents a probability distribution. x P(x) ------ 0 0.3 1 0.1 2 0.25 3 0.3 Yes, it is a probability distribution No, it is not a probability distribution
A construction company needs 3 weeks to construct a family room and 2 days to add a porch. Write the ratio of the time it takes for constructing the porch to the time it takes for constructing the family room as a fraction in simplest form.
Question 3 of 8, Step 3 of 3 4 / 12 Correct Consider the function f(x)= x^2+8x+22 if x<-4 2x+14 if x ≥ -4 Step 3 of 3: Find the limit as x approaches -4 of f(x).
What is an intermediate? - A local maximum on the energy diagram. - A point on the reaction pathway that has a discrete minima. - A point half-way between the starting materials and products. - The highest energy compound on an energy diagram.
Solve the following polynomial equation by factoring or using the quadratic formula. Identify all solutions. x^2-3 x+28=0
Find an equation of the line tangent to the graph of f(x)=-2 x^3 at (2,-16). The equation of the tangent line is y= (Type an expression using x as the variable.)
Inventory turnover is defined as A. (total inventory investment/total assets) × 100. B. inventory investment / (annual cost of goods sold / 52 weeks). C. cost of goods sold / inventory investment. D. (total assets / total inventory investment) × 100.
How many times greater is the force exerted by the sun on the moon then the force exerted by the earth on the moon?
If you buy Office 2021, you have to choose a PC or Mac version. Select one: True False
Find the GCF for the following list. 18,30,60 The GCF is (Simplify your answer.)
Sales activities include: (Check all that apply.) production workers assembling products. direct materials. finished goods inventory. selling finished products.
The lengths of lumber a machine cuts are normally distributed with a mean of 98 inches and a standard deviation of 0.4 inch. (a) What is the probability that a randomly selected board cut by the machine has a length greater than 98.15 inches? (b) A sample of 40 boards is randomly selected. What is the probability that their mean length is greater than 98.15 inches?
Consider the following position function. Find (a) the velocity and the speed of the object and (b) the acceleration of the object. r(t)=⟨10 cos t, 10 sin t⟩ for 0 ≤ t ≤ 2 π (a) v(t)= .
Homework Section 6.6 Question 5.6.6.19 In a survey of 1014 people, 729 people said they voted in a recent presidential election. Within reasonable doubt, what is the probability that among 1014 randomly selected voters, at least 729 actually did vote? (a) P(X ≥ 729) = □ (Round to four decimal places as needed.)
A merchandising company usually has one inventory account while a manufacturing company usually has inventory accounts.
Heavy football players: Following are the weights, in pounds, for samples of offensive and defensive linemen on a professional football team at the beginning of a recent year. Offense: 289, 337, 275, 269, 263, 291, 321, 352, 279, 270, 269, 302 Defense: 250, 290, 273, 355, 275, 320, 320, 360, 345, 259, 334 (a) Find the sample standard deviation for the weights for the offensive linemen. Round the answer to at least one decimal place. The sample standard deviation for the weights for the offensive linemen is 29.1 pounds. (b) Find the sample standard deviation for the weights for the defensive linemen. Round the answer to at least one decimal place.
Simplify the rational expression. 2x+2 / 2x^3+2 A. 1 / x^2-x+1 B. 1 / x^2+x+1 C. 1 / x^2+1 D. 1 / x^2
Select the last stage of the desktop publishing cycle.
Graph the following inequality. y<4x+3
Write the product as a power. 6 × 6=
Question 12 1 pts How should metal parts of cord-and-plug-connected equipment be grounded, if grounding is required? They should be connected to a grounding-type attachment plug via an equipment grounding conductor. They should be grounded directly to the building's structural metal. They do not need to be connected to a grounding conductor if the equipment is doubleinsulated. They should be connected to a grounding-type attachment plug, but a grounding conductor is optional.
Smartphones: A poll agency reports that 64% of teenagers aged 12-17 own smartphones. A random sample of 65 teenagers is drawn. Round your answers to at least four decimal places as needed. Part: 0 / 6 Part 1 of 6 (a) Find the mean μᵖ̂. The mean μₚ is 0.64. Part: 1 / 6 Part 2 of 6 (b) Find the standard deviation σᵖ̂ The standard deviation σᵖ̂ is .
Select all that apply Administrative internal controls are concerned with evaluating performance ensuring reliable accounting records compliance with company policies safeguarding company assets compliance with public laws
A committee of 3 members is selected from a club made up of 11 junior members and 19 senior members. What is the expected number of juniors in the committee? Fill out the probability table below, where x represents the number of juniors in the committee. x 0 1 2 3 P(x) (Type integers or simplified fractions.)
A firm in an industry with a differentiated product, many sellers, and zero economic profit in the long run is: a monopoly. perfectly competitive. an oligopoly. monopolistically competitive.
The fostered the Scientific Revolution. The invention of navigational devices such as the astrolabe, caravel, and magnetic compass led to technological improvements. It increased world exploration, which improved economic conditions and
Solve the equation. cos θ - √3 sin θ = 1 What is the solution in the interval 0 ≤ θ < 2π?
A car rental agency rents 180 cars per day at a rate of 39 dollars per day. For each 1 dollar increase in the daily rate, 4 fewer cars are rented. (a) If x is the number of cars rented in a day, and p is the daily rental price per car, what is the price-demand equation (assuming it is linear)? p= (b) What is the daily revenue function for the agency? (Hint: Revenue is the product of the price per item and the number of items.) R(x)= (c) How many cars should be rented to maximize daily revenue? cars (d) What is the maximum daily revenue for the agency? (e) What daily rental price should the agency charge to maximize daily revenue?
The question below is an incomplete sentence. Choose the word that best completes the sentence. of the canal construction, the land was dry enough to create sidewalks of stone so that pedestrians could travel. A. Unlike B. Likewise C. As a result D. Therefore
f(x)=x^5-7x^4-13x^3-37x^2-68x-36
Ongoing training programs are essential to the maintenance of high quality personnel.
Describe a function g(x) in terms of f(x) if the graph of g is obtained by reflecting the graph of f about the x-axis and if it is horizontally stretched by a factor of 2 when compared to the graph of f. g(x)=A f(B x)+C where A= B= C=
Determine the total area under the normal curve to the right of z = 2. (Round to four decimal places as needed.)
The humidity over the Great Basin of the Western United States is typically low due to the moisture of the Pacific Ocean getting trapped in the Sierra Mountains. This is called downslope warming and drying.
Manifestations of Pulmonary Embolism include A Sudden onset of SOB, chest pain; ventilation-perfusion mismatch B Wheezing, anxiety, use of accessory muscles (C) Productive cough with rusty colored sputum, fever, malaise D Barrel chest, muscle wasting, prefers to sit upright or lean forward An inflammatory disorder triggered by an allergen that results in airway edema is
The last step in the coding process is
Express the given sum or difference as a product of sines and/or cosines. cos(3θ/2) - cos(5θ/2)
Express the given sum or difference as a product of sines and/or cosines. sin 5θ - sin θ
103 of 108 Concepts com Multiple Select Question Select all that apply Which are true about cone cells? Cones exhibit less convergence than rods. Cones exhibit more spatial summation than rods. Cones exhibit more convergence than rods. Cones do not exhibit spatial summation.
Listed below are the annual tuition amounts of the 10 most expensive colleges in a country for a recent year. What does this "Top 10 " list tell us about the population of all of that country's college tuitions? 50,622, 52,519, 53,602, 50,554, 500,732, 52,519, 53,238, 51,635, 53,153 Find the mean, midrange, median, and mode of the data set. The mean of the data set is (Round to two decimal places as needed.) The midrange of the data set is (Round to two decimal places as needed.) The median of the data set is . (Round to two decimal places as needed.) What is (are) the mode(s) of the data set? Select the correct choice below and, if necessary, fill in the answer box within your choice.
proposed Lewis structure Is the proposed Lewis structure reasonable? [: O ≡ C-H]^+ Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* [* * N-N= N ... *]^- Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* * If two or more atoms of the same element don't satisfy the octet rule, just enter the chemical symbol as many times as necessary. For example, if two oxygen atoms don't satisfy the octet rule, enter "O,O".
The demand for a product is given by x=F(p)=1840/(5+ln (2+p)). If p=30, determine E and interpret the results.
The table below shows the heights (in feet) and the number of stories of six notable buildings in a city. Complete parts a - f below. Height, x 775 619 519 508 491 474 Stories, y 53 47 46 42 38 35 (e) Predict the value of y for x=321. Choose the correct answer below. A. 47 B. 31 C. 51 D. not meaningful because the x value is outside the scope of the data
A nurse is collecting data from a child who has autism spectrum disorder. Which of the following findings should the nurse expect? Select all that apply.
k(x)=e^(2x)-e^(4x)
This sketch is about 800 pm wide. The coordinate (x, y, and z) axes are also shown. You can rotate the sketch for a better view of the orbital by dragging the slider with your mouse. Suppose an atom with its nucleus at the origin has an electron in a 2 py orbital. Complete each row of the table below by deciding how PA, the probability of finding the electron at point A, compares to PB, the probability of finding the electron at point B. point A point B compare PA to PB
Unpaid referral traffic is traffic that comes from: - Banner ads - Bots and web crawlers - Links from other websites that are paid under the table - Links from other websites that are not paid for The AIDA model states that the process of creating a customer follows these four steps: Awareness → Interest → Desire → Action Awareness → Intensity → Demonstration → Anticipation Anticipation → Interest → Determination → Activity Aspiration → Innovation → Desire → Activation
-1 1/3
The table shows the movement of a stock for 30 randomly selected trading days. "Up" means the stock price increased in value for the day, "Down" means the stock price decreased in value for the day, and "No change" means the stock price closed at the same price it closed for the previous day. Complete parts (a) through (e) (i) Click the icon to view the table of data. Down 0.367 No change 0.167 Up 0.467 (Round to three decimal places as needed.) (c) Construct a frequency bar graph. Choose the correct graph below. A. B. C. D.
Follow the steps for graphing a rational function to graph the function F(x)=(x^2+5x-36)/(x+3). A. F(x)=((x+9)(x-4))/(x+3) (Type your answer in factored form. Do not simplify.) B. F(x) is already in factored form. What is the domain of F(x)? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. x x ≠ -3 (Type an integer or a simplified fraction. Use a comma to separate answers as needed.) B. x x < (Type an integer or a simplified fraction.) C. x x ≥ (Type an integer or a simplified fraction.) D. The domain is the set of all real numbers. Write F(x) in lowest terms. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. F(x)= (Simplify your answer.) B. F(X) is already in lowest terms.
Little Johnny is able to come up with multiple solutions to a problem. Little Johnny would also be considered quite creative.
The graph of the feasible region is shown. f=8x+7y Find the corners of the feasible region. (Order your answers from smallest to largest x, then from smallest to largest y.) (x, y)= (x, y)= (x, y)= (x, y)= (x, y)= Find the maximum and minimum of the given objective function (if they exist). (If an answer does not exist, enter DNE.) maximum f= minimum f=
If f(x)=x^3+5 and g(x)=∛(x-5), are f(x) and g(x) inverse functions? Are f(x) and g(x) inverse functions? A. Yes, because the compositions f(g(x))=x and g(f(x)) ≠ x. B. No, because the compositions f(g(x))=x and g(f(x))=1. C. No, because the compositions f(g(x)) ≠ x and g(f(x))=x. D. Yes, because the compositions f(g(x))=x and g(f(x))=x. E. Yes, because the compositions f(g(x))=1 and g(f(x))=1.
Question 3 Down syndrome can be diagnosed by means of an examination of the individual's (A) chromatin (B) spores (C) kinetochores (D) karyotype (E) nucleosomes
Write the expression as a single logarithm. log4(x^2-4) - 5 log4(x+2) log4(x^2-4) - 5 log4(x+2) = (Simplify your answer.)
If f(x)=cot(x) and f(a)=7, find the exact value of the following. (a) f(-a) (b) f(a)+f(a+π)+f(a+2π) (a) f(-a)=-7 (b) f(a)+f(a+π)+f(a+2π)=
What is the pH of an aqueous solution of 0.0654 M sodium hydroxide? pH=
Given trapezoid ABCD with AB perpendicular to DC; also, M and N are midpoints of AD and BC respectively. Given: AB=8.2 and MN=12.4. Find DC.
Uma instalação tem as seguintes cargas: I. 20 kVA, fator de potência 0,8 atrasado; II. 15 kW, fator de potência 0,5 adiantado; III. 50 KVA, 30 kVAr indutivo. Qual é a menor potência que o transformador da subestação dessa instalação deve ter para atender a todas as cargas simultaneamente? A 112,5kVA B 75 kVA C 300 kVA D 30 kVA E 150 kVA
A wooden artifact from an ancient tomb contains 45 percent of the carbon-14 that is present in living trees. How long ago, to the nearest year, was the artifact made? (The half-life of carbon-14 is 5730 years.) years
Complete the table using the quadratic pattern given that (-2,1) is the vertex. Then, identify the x-intercepts of the quadratic function represented in the table. x -5 -4 -3 -2 ? ? ? y -8 -3 0 1 0 -3 -8 Complete the table. x -5 -4 -3 -2 y -8 -3 0 1 0 -3 -8
Graph the points (-4,-1) and (2,-10) on the coordinate plane.
Find the circumference and area of the circle. Express answers in terms of π and then round to the nearest tenth. Find the circumference in terms of π C= (Type an exact answer in terms of π.) Find the circumference rounded to the nearest tenth. C= Find the area in terms of π A= (Type an exact answer in terms of π.) Find the area rounded to the nearest tenth. A=
Solve the following rational equation. If there is no solution, state this as your answer. 1/5 n - 11/6 = 2/3 Select the correct choice below and, if necessary, fill in the answer box to complete your choice A. The solution set is x x ≠ (Simplify your answer. Use a comma to separate answers as needed.) B. The solution set is (Simplify your answer. Use a comma to separate answers as needed.) C. There is no solution.
Which of the following are reflexes that you would expect a healthy infant (but not an older child or adult) to exhibit? grasping sucking rooting
A análise do sêmen, conhecida também como espermograma é um exame laboratorial utilizado para verificar e medir a fertilidade masculina através da análise do fluído e do espermatozoide. Dentro dos parâmetros descritos abaixo, assinale a alternativa incorreta: A O volume de ser entre 2 e 5 mL . B A contagem do espermatozoide deve ser >40 milhões/ejaculação. C A concentração do espermatozoide deve ser < 20 milhões / mL. D Na análise morfológica >30% devem apresentar formas normais. E O pH deve ser entre 7,2 e 8,0 .
Find the minimum cost spanning tree on the graph above using Kruskal's algorithm. Which of the edges below are included in the minimum cost tree? AC AE AB BC CD CE DE AD BD BE
Multiple Choice Question Which term refers to sensory receptors accompanied by accessory tissues that facilitate transduction of a stimulus? Receptor potential Sense organ Sensory receptor Labeled line
Question 4 2 pts Major depressive disorder with seasonal pattern seems to be related to high levels of dopamine. Iow levels of sunlight. high levels of thyroxine. low levels of thyroxine. Search
(a) Construct a frequency distribution. Movement Frequency Down 10 No change 3 Up 17 (b) Construct a relative frequency distribution. Movement Relative Frequency Down No change Up (Round to three decimal places as needed.)
Joe and Pam are neighbors. Joe asks Pam to drive him to the airport. Before leaving, Joe pays for Pam to fill her car's gas tank at the local gas station. Joe's trip to the airport would be Multiple Choice - counted in GDP because Joe and Pam represent different households. - counted in GDP because Joe purchased the gas. - not counted in GDP because the trip does not involve any formal market transactions. - not counted because nothing was actually produced.
Find the exact value of the trigonometric expression without the use of a calculator. tan(60°+45°) Choose the expression that is equivalent to tan(60°+45°) tan(60°+45°) = (tan(60°) + tan(45°)) / (1 - tan(60°) tan(45°)) A. tan(60°+45°) = ((D) - ) / (1 + (D)()) B. tan(60°+45°) = (1 - (D)(D)) / ((D) + C) C. tan(60°+45°) = (1 + (D)(D)) / ((D) - (D)) D. tan(60°+45°) = ((D) + (D)) / (1 - (D)(D))
reflection across l₁ rotation of 45° counterclockwise rotation of 270° counterclockwise reflection across l₂
Solve for (m). 12.6+4m=9.6+8m m=(square)
Asher owns a square plot of land. He knows that the area of the plot is between 4200 and 4300 square meters. Which of the following is a possible value for the side length of the plot of land?
Question 6 A central atom has one single bond, one double bond, and two lone pair electrons. What is the molecular geometry for this atom? Bent Tetrahedral Trigonal pyramidal Linear
The defining characteristic of a mammal is: (A) they have lungs (B) they have mammary glands for milk production (C) they lay eggs (D) they are endothermic (E) they have a four-chambered heart
The temperature T of a person during an iftiness is given by T(t)=10t/t^2+1+98.6, where T is the temperature, in degrees Fahrenheit, at time t, in hours. (a) Find the rate of change of the temperature with respect to time. (b) Find the temperature at t=1 hr. (c) Find the rate of change of the temperature at t=1 hr.
Janelle Heinke, the owner of Ha'Peppas!, is considering a new oven in which to bake the firm's signature dish, vegetarian pizza. Oven type A can handle 22 pizzas an hour. The fixed costs associated with oven A are 22,500 and the variable costs are 2.50 per pizza. Oven B is larger and can handle 44 pizzas an hour. The fixed costs associated with oven B are 30,000 and the variable costs are 1.00 per pizza. The pizzas sell for 12.00 each. a) The break-even point in units for oven type A= units (round your response to the nearest whole number).
Move the point, E, in the accompanying graph to reflect equilibrium in the competitive market for corn and answer the following questions. Calculate consumer surplus (CS). CS= Calculate producer surplus (PS). PS=
On reviewing the blood reports of a client who presents with a fever, the nurse finds the white' blood cell count is 13,000/microliter. Which term does the nurse use when documenting this finding? Leukocytosis Leukopenia Neutrophilia Immunopenia
Which is incorrect about purines? a. only found in DNA, not in RNA b. are nitrogenous bases c. always paired with a specific pyrimidine d. include adenine and guanine e. found within nucleotides
State if the triangles are congruent and how you know.
What is the plasmids role in survival in extreme conditions? They hold the main genetic content of the bacteria They are junk DNA and does usually not serve a purpose They can encode for proteins that provide additional benefits for the bacteria to survive the local environment They carry genes coding for ribosomes which are essential for organisms
Assume that females have pulse rates that are normally distributed with a mean of μ=75.0 beats per minute and a standard deviation of σ=12.5 beats per minute. Complete parts (a) through (c) below. a. If 1 adult female is randomly selected, find the probability that her pulse rate is less than 82 beats per minute. The probability is .7123 . (Round to four decimal places as needed.) b. If 16 adult females are randomly selected, find the probability that they have pulse rates with a mean less than 82 beats per minute. The probability is .9875 . (Round to four decimal places as needed.) c. Why can the normal distribution be used in part (b), even though the sample size does not exceed 30 ? A. Since the mean pulse rate exceeds 30, the distribution of sample means is a normal distribution for any sample size. B. Since the distribution is of individuals, not sample means, the distribution is a normal distribution for any sample size. C. Since the distribution is of sample means, not individuals, the distribution is a normal distribution for any sample size. D. Since the original population has a normal distribution, the distribution of sample means is a normal distribution for any sample size.
Find the equation for the tangent plane to the surface z=e^(2x^2+3y^2) at the point (0,0,1). z=0 z=1 z=2 z=-1
Read this part of the story. Coyote wants to (A) swim with Turtle. (B) steal Turtle's shell. (C) learn Turtle's song. (D) hide with Turtle. Coyote asked Turtle to teach him the song. But Turtle did not think he was singing. And he did not want Coyote to know he was crying. He simply said that he was not singing.
A magazine provided results from a poll of 1500 adults who were asked to identify their favorite pie. Among the 1500 respondents, 12% chose chocolate pie, and the margin of error was given as ± 5 percentage points. What values do p̂, q̂, n, E, and p represent? If the confidence level is 95%, what is the value of α? The value of p̂ is the sample proportion. The value of q̂ is found from evaluating 1-p̂. The value of n is the sample size. The value of E is the margin of error. The value of p is the population proportion.
A number cube with faces labeled from 1 to 6 will be rolled once. The number rolled will be recorded as the outcome. Give the sample space describing all possible outcomes. Then give all of the outcomes for the event of rolling an even number. If there is more than one element in the set, separate them with commas. Sample space: Event of rolling an even number:
The weights of all newborn babies are normally distributed with a mean of 8.1 pounds and a standard deviation of 3.1 pounds. Determine the sample size required to produce a standard deviation of x̄ equal to 0.41
Determine whether the following series converges. Justify your answer. sum from k=1 to infinity of (4+cos 2k) / k^4 Because (4+cos 2k) / k^4 ≤ 5 / k^4 and, for any positive integer k, sum from k=1 to infinity of 5 / k^4 converges, the given series converges by the Comparison Test.
Which of the following is a run-on sentence? Yara was tired she went to sleep early. Yara was tired; she went to sleep early. Yara was tired, so she went to sleep early.
What is the pH of a 0.024 M acetic acid (Ka=1.8 x 10^-5) solution at 25°C ?
If a seed is planted, it has a 70% chance of growing into a healthy plant. If 9 seeds are planted, what is the probability that exactly 4 don't grow?
Calculate the energy and wavelength associated with a photon of light that has a frequency of 4.02 × 10^13 s^-1. E=hc / K E=ho h=6.626 × 10^-34 Js
Which is the major organic product formed by this reaction? Studying the summary chart in Lesson VI.3.5 will help to correctly determining the products. A) C) B) D) E) No net reaction or none of these is a major product
Find the derivative of the function. f(t)=cos^2(e^cos^2(t)) f'(t)=
Question 1 of 18 Use the Atomic Spectroscopy interactive to answer the question. Examine the spectra for the objects or substances in the list, and classify the type of spectrum produced by each. Absorption Continuous Emission Answer Bank hydrogen Sun neon light bulb
Question You are creating a custom object called "Tasks". The "Tasks" object has several fields, including Task Name, Due Date, and Priority. Which of the following options should you use to retrieve specific records from the "Tasks" object when it contains a large number of records? Select only one answer Use indexing to optimize the performance of the query. Use SOQL to query all of the records in the "Tasks" object and filter the results based on specific criteria. Use the trigger.newMap collection to retrieve the necessary records. Use a scheduled batch job to process the records in batches.