SOLUTION: the length of a rectangle is 3 greater than the length of the width. the area of the figure is 70 ft squared.
find the length of the object? find the width of the object?
find th
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Question 225466: the length of a rectangle is 3 greater than the length of the width. the area of the figure is 70 ft squared.
find the length of the object? find the width of the object?
find the perimeter?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
L=W+3
LW=70
(W+3)W=70
W^2+3W-70=0
(W+10)(W-7)=0
W-7=0
W=7 ANS. FOR THW WIDTH.
L=7+3=10 ANS. FOR THE LENGTH.
P=2L+2W
P=2*7+2*10
P=14+20
P=34 ANS. FOR THE PERIMETER.
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