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Elanso [62]
4 years ago
12

6 = m - 7/8 Explain how you got your answer.

Mathematics
1 answer:
chubhunter [2.5K]4 years ago
3 0

Here is your equation:

6 = m - \frac{7}{8}

You're looking for m. To find m, you have to remove everything on the same side of it. On that side, you have:

m-\frac{7}{8}

You have -\frac{7}{8}. To remove it, you have to do the opposite of it, which is +\frac{7}{8}. To leave m alone, add \frac{7}{8} to both sides.

6 = m-\frac{7}{8} \\ \\ 6 + \frac{7}{8} = m-\frac{7}{8} + \frac{7}{8} \\ \\ 6 \frac{7}{8} = m

You have your answer, which is \bf 6 \frac{7}{8}

<em>If you have any questions, feel free to ask in the comments! :)</em>

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Answer:

im sorry but, im struggling on that problem too your awnser is 1, 3,5

Step-by-step explanation:

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4 years ago
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A manufacturer makes chocolate squares that have a target weight of 8 g. Quality control engineers sample 30 chocolate squares t
posledela

Using the <em>normal distribution and the central limit theorem</em>, it is found that the power of the test is of 0.9992 = 99.92%.

<h3>Normal Probability Distribution</h3>

In a normal distribution with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.
  • By the Central Limit Theorem, the sampling distribution of sample means of size n has standard deviation s = \frac{\sigma}{\sqrt{n}}.

In this problem:

  • The mean is \mu = 8.5.
  • The standard deviation is \sigma = 0.87.
  • A sample of 30 is taken, hence n = 30, s = \frac{0.87}{\sqrt{30}} = 0.1588.

The power of the test is given by the probability of a sample mean above 8, which is <u>1 subtracted by the p-value of Z when X = 8</u>, so:

Z = \frac{X - \mu}{\sigma}

By the Central Limit Theorem:

Z = \frac{X - \mu}{s}

Z = \frac{8 - 8.5}{0.1588}

Z = -3.15

Z = -3.15 has a p-value of 0.0008.

1 - 0.0008 = 0.9992.

The power of the test is of 0.9992 = 99.92%.

To learn more about the <em>normal distribution and the central limit theorem</em>, you can check brainly.com/question/24663213

5 0
3 years ago
What percent of 30 is 27
shutvik [7]

Answer:

90%

Step-by-step explanation:

convert the fraction know as a ratio to get 90%

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pogonyaev
Length of rectangle: 4x+3
Perimeter of rectangle: 12x+10
Solving:
4x+3 + 4x+3= 8x+6
Now we have 8x+6 but, we still need our width.
12x+10 - 8x+6 = 4x+4
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Glad I could help!
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Thanks.
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