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il63 [147K]
3 years ago
9

The variable Z is inversely proportional to X. When X is 6, Z has the value 2. What is the value of z . When x = 13

Mathematics
1 answer:
Umnica [9.8K]3 years ago
6 0
Given that z is inversely proportional to x, then:
z α 1/x
hence;
z=k/x
where:
k is the constant of proportionality; 
when x=6, z=2
therefore;
2=k/6
hence;
k=2*6=12

Therefore:
z=12/x
the value of z when x=13 will be:
z=12/13
the answer is 12/13

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