2 years ago

Do you guys know what 4m - 2m + 3

Mathematics

1 answer:

lyudmila [28]2 years ago

4 0

Answer:

2m + 3 I think.

Step-by-step explanation:

4m - 2m = 2m. So just put that in the equation now and poof. 2m + 3

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patriot [66]

Answer: 0.0775

Step-by-step explanation:

Given : Mean : $\mu = 25$

Standard deviation : $\sigma =15$

Sample size : $n=36$

Since its normal distribution , then the formula to calculate the z-score is given by :-

$z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

For x= 28.2 hours

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Hence, the probabiliy that the average time spent stydying for the sampe was between 28.2 and 30 hours = 0.0775

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3 years ago

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Step-by-step explanation:

6a.

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3 years ago

Read 2 more answers

You roll a number cube numbered from 1 to 6. What is the probability that the number is a 3? (Answers are rounded to the nearest

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Answer:

1/6

Step-by-step explanation:

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3 years ago

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pshichka [43]

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1 year ago

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iren [92.7K]

Answer:

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Step-by-step explanation:

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