charlybraun200094
26.11.2019 •
Mathematics
The length of a rectangle is 3 m more than double the width, and the area of the rectangle is 35 m2. find the dimension of the rectangle.
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Ответ:
A=35m2
L=3+2*W
35m2=L*W
35m2=(3+2W)*W
35=3*W+2*W^2
0=3*W+2*W^2-35
W1=7/2m
W2=-5 (can't be used since it's negative)
L=3+2*W
L=3+2*(7/2)
L=10m
Ответ: