To solve the equation −9x−12=6-9x - 12 = 6−9x−12=6, we need to isolate xxx. First, add 12 to both sides of the equation to eliminate the constant term on the left side. Then, divide both sides by -9 to solve for xxx.
Since the amount of water used varies directly with the number of loads, we can set up a proportion. Given that 32 gallons are used for 4 loads, we can find the number of gallons used for 10 loads by solving the proportion.
To find the rule that reflects the translation of point TTT using 7 units down and 4 units up, we need to determine the net effect of these translations. Subtract the downward movement from the upward movement to find the overall translation.
To solve the equation
−9x−12=6, -9x - 12 = 6, −9x−12=6,
we first add 121212 to both sides:
−9x=18. -9x = 18. −9x=18.
Next, we divide both sides by −9-9−9:
x=−2. x = -2. x=−2.
The dishwasher uses 323232 gallons of water for 444 loads. To find the amount of water used per load, we calculate:
gallons per load=324=8 gallons/load. \text{gallons per load} = \frac{32}{4} = 8 \text{ gallons/load}. gallons per load=432=8 gallons/load.
To find the water usage for 101010 loads, we multiply:
gallons for 10 loads=8×10=80 gallons. \text{gallons for 10 loads} = 8 \times 10 = 80 \text{ gallons}. gallons for 10 loads=8×10=80 gallons.
Point TTT is translated 777 units down and 444 units up. The net translation is calculated as:
net translation=4−7=−3 units down. \text{net translation} = 4 - 7 = -3 \text{ units down}. net translation=4−7=−3 units down.
The solutions to the questions are as follows:
Thus, the final answers are:
x=−2 \boxed{x = -2} x=−2
80 gallons \boxed{80 \text{ gallons}} 80 gallons
−3 units down \boxed{-3 \text{ units down}} −3 units down
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