slrc4500 slrc4500

24-06-2017
Mathematics

contestada

The length of a rectangle is 5 ft less than twice the width, and the area of the rectangle is 52 ft2 . find the dimensions of the rectangle

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jorel1380 jorel1380

27-06-2017

Let w and 2w-5 be the width and length, respectively, of the rectangle. Then:
w(2w-5)=52
2w²-5w-52=0
(2w-13)(w+4)=0
w=13/2 or -4
The rectangle is 6.5 ft by 8 ft. ☺☺☺☺

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