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Alinara [238K]
2 years ago
6

The average persons hair grows 1/2 inch per month. How long will the hair grow in one year??

Mathematics
2 answers:
miv72 [106K]2 years ago
4 0
6 in ///////////////////////////
Ivan2 years ago
4 0

Answer:

6 inches

Step-by-step explanation:

There are 12 months in a years so all you have to do is 1/2 times 12 and you get 6!

Hope this helps!

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Graph the line of the given equation
Dafna11 [192]

Answer:

Step-by-step explanation:

See the attached image

3 0
11 months ago
Items produced by a manufacturing process are supposed to weigh 90 grams. The manufacturing procon
Annette [7]

Using the normal distribution, it is found that 0.26% of the items will either  weigh less than 87 grams or more than  93 grams.

In a <em>normal distribution</em> 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.

In this problem:

  • The mean is of 90 grams, hence \mu = 90.
  • The standard deviation is of 1 gram, hence \sigma = 1.

We want to find the probability of an item <u>differing more than 3 grams from the mean</u>, hence:

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

Z = \frac{3}{1}

Z = 3

The probability is P(|Z| > 3), which is 2 multiplied by the p-value of Z = -3.

  • Looking at the z-table, Z = -3 has a p-value of 0.0013.

2 x 0.0013 = 0.0026

0.0026 x 100% = 0.26%

0.26% of the items will either  weigh less than 87 grams or more than  93 grams.

For more on the normal distribution, you can check brainly.com/question/24663213

4 0
3 years ago
Hello could you help me please?
Ilya [14]

Answer:

C. 6

Step-by-step explanation:

So it says read less thann 25 books --> that means the numbers are 13,14,14,16,19,21,21,22,23, and 24 --> a total of 10 numbers

Then it says read more than 35 books --> that means the numbers are 37,41,42,43 --> a total of 4 numbers

Now, it says how many more --> that means you subtract 4 by 10 = 10 - 4 = 6

Therefore the answer is 6 more students read less than 25 books than read more than 35 books.

3 0
3 years ago
Read 2 more answers
Please say what the answer is and show the steps
kolbaska11 [484]
This doesn’t make any sense
6 0
2 years ago
Read 2 more answers
.
kakasveta [241]

Answer:

She drove 12 hours

5+4+3=12

Step-by-step explanation:

5 0
2 years ago
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