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nevsk [136]
3 years ago
9

How de you find standard deviation ​

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
3 0

Answer:

Work out the Mean (the simple average of the numbers)

Then for each number: subtract the Mean and square the result.

Then work out the mean of those squared differences.

Take the square root of that and we are done!

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Jim takes out a mortgage for 30 years at an interest rate of 2.49% and his monthly repayments are $986.50. What is the principal
Svetllana [295]

The principal loan amount will be 250000. P is denoted by the principal loan amount

<h3> What is the amount?</h3>

The complete repayment of money at the end of the period for which it was borrowed is referred to as the amount.

The given data in the problem is;

P is the principal loan amount

r is the rate of interest = 2.49%

n is the time period= of 30 years

The formula for the principal loan amount  is found as;

\rm P=M(1-(1+\frac{r}{12} )^{\frac{12}{n}

\rm P=986.50(1-(1+\frac{0.249}{12} )^{\frac{12}{30} }\\\\ P= 250000

Hence the principal loan amount will be 250000.

To learn more about the amount, refer to the link;

brainly.com/question/12184047

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6 0
1 year ago
18 is 4.5 times a number.
Bumek [7]

Answer:

4

Step-by-step explanation:

18/4.5=4

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2 years ago
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gogolik [260]
1/4 pound x 5 days= 1 1/4 pounds (1.25)
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Solve for x: −2(x + 3) = −2(x + 1) − 4.<br><br> 2<br> 3<br> All real numbers<br> No solution
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Answer: All real numbers

Step-by-step explanation:

−2(x + 3) = −2(x + 1) − 4

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-2x -6 = -2x -6

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Answer:

c^8

Step-by-step explanation:

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