tylercotten2016 tylercotten2016

03-03-2017
Advanced Placement (AP)

contestada

Two rectangles have the same width. The length of one is 2 feet longer than the width. The length of the other is 4 feet longer than the width. The larger rectangle has 8 more square feet than the smaller. What is the width of the rectangles?

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Аноним Аноним

05-03-2017

1st rectangle area: 2+x*x
=x^2 +2

2nd rectangle area: 8(x^2+4)

-7x= 30
X= -30/7

X= width

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