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Leto [7]
4 years ago
15

If y varies directly as x , and y = 6 when x = 15, find y when x = 25 .k = ______y = ______

Mathematics
2 answers:
viva [34]4 years ago
6 0
At x = 25, y equals to 10.4.
dsp734 years ago
6 0

3

y varies inversely as x

y = K / x , where K is any constant

y = 15 when x = 5

15 ( 5 ) = K = 75

y = 75 / x

When x = 25 ,  

y = 75 / 25

y = 3

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