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this is a quadratic area of a rectangle is 36 square feet determine the length and width if the legnth is 4 times the width

Dominique029

by Dominique029 at March 11, 2010

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12 and 3lw=36l=4wsubstitute l for 4w in the first equation and you get 4w^2=36w^2=9w=3

carrotnosedude carrotnosedude March 11, 2010

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lw=364w=l4w^2=36w^2=9w=3l= 4(3)l=12

gibby. gibby. March 23, 2010

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