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Sagot :
Answer:
(c) 512 = 2w²
Step-by-step explanation:
You want the quadratic equation that can be solved to find the width of a yard that is 512 square feet, and twice as long as wide.
Equation
The equation for the area is ...
A = LW
Since the length is twice the width, we have ...
L = 2W
Substituting that into the area formula gives ...
A = (2W)·W = 2W²
We know the area is 512 square feet, so we can write ...
512 = 2W² . . . . . . . matches choice C
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