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Mathematics 20 Online
OpenStudy (anonymous):

Look at the figure below. What is the value of x? 14 5 9 15

OpenStudy (anonymous):

OpenStudy (anonymous):

@jim_thompson5910 can you help me out?

jimthompson5910 (jim_thompson5910):

the two triangles are similar, so you can say this 9/5 = (8 + x-5)/(x-5) solve that for x to get your answer

OpenStudy (anonymous):

i dont know how to solve that

jimthompson5910 (jim_thompson5910):

9/5 = (8 + x-5)/(x-5) 9/5 = (x+3)/(x-5) 9(x-5) = 5(x+3) does that help?

OpenStudy (anonymous):

yes

jimthompson5910 (jim_thompson5910):

ok great

OpenStudy (anonymous):

the answer is 15

jimthompson5910 (jim_thompson5910):

yep

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