SOLUTION: P varies inversely as h. If P = 7 when h = 0.7, determine P when h = 12.
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-> SOLUTION: P varies inversely as h. If P = 7 when h = 0.7, determine P when h = 12.
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Question 836263
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P varies inversely as h. If P = 7 when h = 0.7, determine P when h = 12.
Answer by
jim_thompson5910(35256)
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"P varies inversely as h" ----> P = k/h
P = k/h
7 = k/0.7
7*0.7 = k
4.9 = k
k = 4.9
-------------
P = k/h
P = 4.9/h
P = 4.9/12
P =
0.408333333
(this is approximate, the 3's repeat forever)
Note: 49/120 = 0.408333333 (approximately, the 3's repeat forever)
So you can report the answer as P =
49/120