Yahoo Answers: Answers and Comments for If v varies jointly as h and the square of b: and v is 288 when h=6 and b =12, find v when h=3 and b =10? [Mathematics]
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From R
enUS
Wed, 04 Nov 2009 22:20:03 +0000
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Yahoo Answers: Answers and Comments for If v varies jointly as h and the square of b: and v is 288 when h=6 and b =12, find v when h=3 and b =10? [Mathematics]
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https://answers.yahoo.com/question/index?qid=20091104222003AAUR76i
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From anonymous89: v ∝ hb²
v = khb², where k = constant of propo...
https://answers.yahoo.com/question/index?qid=20091104222003AAUR76i
https://answers.yahoo.com/question/index?qid=20091104222003AAUR76i
Wed, 04 Nov 2009 22:42:21 +0000
v ∝ hb²
v = khb², where k = constant of proportionality
288 = k(6)(12)²
k = (1/3)
So, v = (1/3)hb²
Now, when h = 3 and b = 10,
v = (1/3)(3)(10)² = 100