23-05-2017
Mathematics

contestada

The length of a rectangle is 3 yd more than twice the width, and the area of the rectangle is 77 yd^2. Find the dimensions of the rectangle.

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hayisforhorses hayisforhorses

23-05-2017

A=77
A=l*w
l=2w+3
2w^2+3w=77
w=5.5
A=5.5l
/5.5
l=14
So 14*5.5

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