SOLUTION: if the area of a rectangle is twenty seven square feet. the base is three more than twice the height. what are the dimensions of the rectangle?

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Question 70602This question is from textbook
: if the area of a rectangle is twenty seven square feet. the base is three more than twice the height. what are the dimensions of the rectangle? This question is from textbook

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
BASE=2HEIGHT+3
THEREFORE THE AREA OF THE RECTANGLE IS
(2H+3)H=27
2H^2+3H-27=0
(2H+9)(H-3)=0
2H+9=0
2H=-9
H=-8/2
H=-4.5
H-3=0
H=3 FEET ANSWER
THUS THE BASE=2*3+3=6+3=9 FEET.
PROOF
3*9=27
27=27