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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

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
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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

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User Ramesh Subramanian
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8.2k points

1 Answer

1 vote
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
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User Jfbeltran
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