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PolarNik [594]
3 years ago
5

How much gravel did kevin use to cover the bottom of the tank

Mathematics
2 answers:
iren2701 [21]3 years ago
5 0
Enough to cover the bottom of the tank.
densk [106]3 years ago
4 0
Need more details than that 
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Lars deposited $50 into a savings account for which interest is compounded quarterly. According to the rule of 72, what interest
Ivanshal [37]

Answer: C 2.5%


Step-by-step explanation:

The "Rule of 72" is a easy way to calculate how much time an investment will take to double with a given fixed annual rate of interest.

Just we have to divide 72 by the annual rate of return(r), we can get a rough estimate of how many years it will take to double the initial investment .

Now, in given problem: Let 'r' be the rate of interest

Time to double the amount=29 years

Thus by rule 72 ,

\frac{72}{r}=29\\\Rightarrow\ r=\frac{72}{29}=2.4827\%\approx2.5\%

Therefore, C is the right option.


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Romashka [77]
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justin is redoing his bathroom floor with tiles measuring 6 in. by 13 in. the floor has an area of 8,500 in2. what is the least
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Frist you do 6*13

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jasenka [17]

Answer:

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