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3 years ago

Help help help. I dont know how to do it

Mathematics

2 answers:

Scrat [10]3 years ago

6 0

Answer:

a) .2 hours per dollar

b) 3 pages per minute

Step-by-step explanation:

a) The hours per dollar means take the hours and divide by the dollars

7 hours/ 35 dollars = 1/5 = .2 hours per dollar

b) pages per minute means take the pages and divide by minute

9 pages/3 minutes = 3 pages per minute

Snowcat [4.5K]3 years ago

5 0

I think it is a because that is the right way you should do it

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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Sunny_sXe [5.5K]

Answer:

It will take an interest rate of 8.1% to get 150% of the initial investment in just 5 years.

Step-by-step explanation:

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$X(t) = Pe^{rt}$

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(this formula can be beautifully derived from just basic considerations, btw)

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$X(5) = 1.5P=Pe^{r\cdot5}\\1.5=e^{r\cdot5}\\\ln 1.5=\ln e ^{5r}\\\ln 1.5=5r\\r = \frac{\ln 1.5}{5}=0.081\rightarrow 8.1\%$

It will take an interest rate of 8.1% to get 150% of the initial investment in just 5 years.

5 0

3 years ago

Help help help. I dont know how to do it​

Help help help. I dont know how to do it