lynseyvoigt lynseyvoigt

07-02-2021
Mathematics

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The width of a rectangle is 9 feet less than the length. The area is 580 square feet. Find the length and width of the rectangle.

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moralnat000 moralnat000

07-02-2021

Answer:

5220

Step-by-step explanation:

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07-02-2021

A=580, A=LW, W=L-9

580=L(L-9)

L^2-9L-580=0

(L-29)(L+20)=0, L>0 so L=29, W=29-9=20

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