animexcartoons209
10.10.2020 •
Mathematics
A rectangular swimming pool is surrounded by a deck as shown. The area (in square feet) of the pool is represented by x²-10x+16
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Ответ:
The equation for the area of a rectangle is length * width.
The length is 3 times its width. This can be written as 3w.
(3w)(w) = 243
Expand.
3w^2 = 243
The answer would be B).