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OpenStudy (anonymous):
The legs of a right triangle measure 3x and 15. If the hypotenuse measures 3x + 3, what is the value of x?
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jimthompson5910 (jim_thompson5910):
|dw:1361588815879:dw| a^2 + b^2 = c^2 (3x)^2 + 15^2 = (3x + 3)^2 9x^2 + 225 = 9x^2 + 18x + 9 225 = 18x + 9 I'll let you finish up
OpenStudy (anonymous):
x=12 (: Thanks!
jimthompson5910 (jim_thompson5910):
you got it
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