jeffheley jeffheley

25-09-2017
Mathematics

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The rectangles in the figure below are similar. Find the value of x

The rectangles in the figure below are similar Find the value of x class=

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choixongdong choixongdong

25-09-2017

3/x = 5/(x+4)
5x = 3(x+4)
5x = 3x + 12
5x - 3x = 12
2x = 12
x = 6

answer
C. 6

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