jenmarieee jenmarieee

15-11-2014
Mathematics

Answered

the length of a rectangle is 7 centimeters less than five times its width it area is 24 square centimeters. find the dimension of the rectangle

Answer :

mathdragon mathdragon

15-11-2014

the dimensions are 3x8

(5w-7)(w)=24
5w^2 -7w -24 = 0
w=3

(5(3)-7)=8

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