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Paha777 [63]
3 years ago
8

When data consist of percentages, ratios, growth rates, or other rates of change, the geometric mean is a useful measure of cent

ral tendency. for n data values the geometric mean, assuming all data values are positive, is as follows. to find the average growth factor over 5 years of an investment in a mutual fund with growth rates of 9.3% the first year, 12% the second year, 14.5% the third year, 4.6% the fourth year, and 5.7% the fifth year, take the geometric mean of 1.093, 1.12, 1.145, 1.046, and 1.057. find the average growth factor of this investment. (round your answer to four decimal places.) geometric mean = n product of the n data values?
Mathematics
1 answer:
weqwewe [10]3 years ago
5 0
mean=\sqrt[5]{1.093\cdot1.12\cdot1.145\cdot1.046\cdot1.057}=\sqrt[5]{1.5497096705104}\\\\ \approx 1.0916<span>

The geometric mean is 1.0916.</span>
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After solving for both variables, you find that each bus can hold 59 students and each van can hold 18 students.

Step-by-step explanation:

You can find the amount of students each vehicle can carry by representing the two scenarios in equations.

You are trying to find how many students will fit in each bus or van, so the two variables used will be "b" to represent how many students can fit in a bus and "v" to represent how many students can fit in a van.

High school A used 1 van and 6 buses, so there will be 1"v" and 6"b" for 372 students.

High school B used 4 vans and 12 buses, so there will be 4"v" and 12"b" for 780 students.

Now, represent these in equations:

v+6b = 372\\4v + 12b = 780

We can use substitution to solve this system:

v + 6b = 372 can be rewritten as v = 372 - 6b after subtracting 6b from both sides. You can then substitute this new value of "v" into the other equation to solve for "b":

4(372-6b) + 12b = 780\\1488 - 24b + 12b = 780\\1488 - 12b = 780\\-12b = -708\\b = 59

After solving for b, you can then substitute the new value of b into the other equation to find the value of v:

v + 6(59) = 372\\v + 354 = 372\\v = 18

After solving for both variables, you find that each bus can hold 59 students and each van can hold 18 students.

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strojnjashka [21]

Answer:

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Step-by-step explanation:

we know that

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

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Step-by-step explanation:

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