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belka [17]
4 years ago
6

What is the value of 3/4 k to the 3rd power -9 when K=3

Mathematics
1 answer:
allochka39001 [22]4 years ago
8 0

So, I am assuming your problem looks like this: (3k/4)^3

If that is true, then simply substitute 3 in for k so you get: [3(3)/4]^3

That is equal to (9/4)^3 which is equal to (9/4)(9/4)(9/4) = (729/64)

So your answer is 729/64 or 11.390625

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Step-by-step explanation:

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Use parentheses to make this statement true: 8 x 4 - 2 x 3 + 8 (divided by) 2 = 25
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Answer:

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#5 . 
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Doing research for insurance rates, it is found that those aged 30 to 49 drive an average of 38.7 miles per day with a standard
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Answer: 0.4302

Step-by-step explanation:

Given : Mean : \mu=\text{38.7 miles }

Standard deviation : \sigma=\text{6.7 miles }

Sample size : n=60

Also, these distances are normally distributed.

Then , the formula to calculate the z-score is given by :-

z=\dfrac{x-\mu}{\sigma}

For x=32.5

\\\\ z=\dfrac{32.5-38.7}{6.7}=-0.925373134\approx-0.93

For x=40.5

\\\\ z=\dfrac{40.5-38.7}{6.7}=0.268656\approx0.27

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Hence, the required probability :-0.4302

3 0
3 years ago
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