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zhenek [66]
3 years ago
15

Volume of this cone

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
7 0

Answer:

669.9 ft³

Step-by-step explanation:

The formula for volume of a cone:

v=\pi r^2*\frac{h}{3} (3.14*radius*radius*\frac{height}{3} )

r = radius,\pi =pi,h=height.

The radius is 8; the height is 10.

From here, we can just plug the numbers into the formula.

\pi 8^2*\frac{10}{3} (3.14*8*8*\frac{10}{3} ) = 669.866666667.

669.866666667 ≈ 669.9.

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This problem requires us to calculate, the value of investment after 10 and 25 years, and also tell the time after which intial investment amount will double. Investment rate and initial investment amount is given in the question.

Value of investment after 10 year = 600(1+8%)^10 = $ 1,295

Value of investment after 25 year = 600(1+8%)^25 = $ 4,109

Time after which investment amount double (n)

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Log 2 = n log 1.08

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