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24-02-2021
Mathematics

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The length of a rectangle is 9” greater than the width. The area is 36”2. Find the dimensions

Respuesta :

25-02-2021

Answer:

Step-by-step explanation:

L = W+9

area = LW = 36

(W+9)W = 36

W²+9W-36 = 0

W = -12, 3

-12 is an extraneous solution, so W = 3 inches

L = W+9 = 12 inches

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