The variable Z is directly proportional to X. When X is 3, Z has the value 18. What is the value of Z when X=13

asked Mar 4, 2018 18.2k views

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First of all Z=(kx/y).9473.....=(k*3/19)k=6 Z=(6*13/26)Z=3 Then, Z=kx18=k*3k=6Z=6*13Z=78

Jfbeltran answered Mar 10, 2018

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