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natalie2sheffield
30.03.2021 •
Mathematics
Mrs. Harbrook can choose from two rectangular pool sizes. The pool manufacturer provides her with the area of the pool, but she needs to find the dimensions in order to determine if the pool will fit in her yard. If the area of the pool is x2−17x+72, what are possible expressions to represent the length L and the width W ?
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Ответ:
8 or 9 ft
Step-by-step explanation:
Given
The area of the pool is![A=x^2-17x+72](/tpl/images/1229/2060/7130e.png)
The area is in the form of a quadratic equation
So, the roots of the equation will give the length and width of the pool
Therefore length and width can either be
.
Ответ:
The answer is Commutative property of addition
Hope it helps!!!