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Whitepunk [10]
3 years ago
12

The value of y is inversely proportional to the value of x. When y=42, x=6.

Mathematics
1 answer:
NARA [144]3 years ago
4 0
Because x and y are inversely proportional, there is some constant k such that

xy=k

Given that y=42 and x=6, we have

k=6\times42=252

So when x=9, you have

9y=252\implies y=\dfrac{252}9=28
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