12539463
26.10.2020 •
Mathematics
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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Ответ:
22 centimeters
Step-by-step explanation:
Ответ:
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
Ответ:
that is called fractional firce