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The volume V of a prism varies jointly as the area of the base B and the height h. If V = 784 cubic inches when B = 56 square inches and h = 14 inches, what is h when V = 196 cubic inches and B = 28 inches? **Weegy:** V/ B = H ; 196/26=7; h=7
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Asked 4/12/2013 2:12:07 PM

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Due to radioactive decay, the amount of polonium in a sample is halved every 140 days.
If there are 20 mg of polonium in the initial sample, how much polonium will remain after 700 days?
A. 0 mg B. 2.5 mg
C. 1.25 mg D. 0.625 mg
**Weegy:** if there are 20mg of polonium in the initial sample, how much polonium will remain after 700 days?A.0mg B.2.5mg C.1.25mg D0.625mg? (More)

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Asked 4/12/2013 2:03:37 PM

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