fatmajolo2002 fatmajolo2002

26-10-2020
Mathematics

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The length of a rectangle is 11 centimeters less than five times its width. Its area is 12 square centimeters. Find the dimensions of the rectangle.

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adriantorres8615 adriantorres8615

26-10-2020

Answer:22 centimeters

Step-by-step explanation:

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micky77 micky77

26-10-2020

Length- 5x-11
Width- 5x

Length*Width=Area
(5x-11)(5x)=12
25x^2-55x-12=0
D= 3025+1200=4225
(√4225=65)
x=(65+55)/2=2,4
Length =(5*2,4)-11=1
Width=(5*2,4)=12

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