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If y varies inversely as x and x is 6 when y is 13, what is x when y is 8?

If y varies inversely as x and x is 6 when y is 13, what is x when y is 8?
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If y varies inversely as x and x is 6 when y is 13, what is x when y is 8?

User Johannes Klug
by
7.9k points

2 Answers

6 votes

Answer:

A. 9.75 is the correct answer.

Explanation:

User Ian Lotinsky
by
8.2k points
2 votes
y = k/x
13 = k/6
k = 78

y = k/x
8 = 78/x
8x = 78
x = 78/8
x = 9.75
User Murat Sutunc
by
8.6k points
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