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evablogger [386]
3 years ago
6

Omar thinks of a two digit number it is a factor of 78 it is a prime number what is his number

Mathematics
2 answers:
AleksandrR [38]3 years ago
7 0
<h2>13</h2>

Factors of 78 are:

1,2,3,6,13,26,39,78.

13 is the prime two-digit number.

Vlad [161]3 years ago
7 0

Answer:

13

Step-by-step explanation:

First write the factors of 78

1 \:  \: 3 \:  \: 6 \:  \: 13 \:  \: 26 \:  \: 39 \:  \: 78

Now write the prime number that you can see above

3 \:  \:  \: 13

Now write the two digit number ( prime number) that you can see above

13

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4 0
3 years ago
Read 2 more answers
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I added the plots in the attachments.

<u><em>Answer:</em></u>

The mean will decrease

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<u><em>Explanation:</em></u>

<u>1- checking the mean:</u>

<u>Mean of the salaries is calculated as follows:</u>

Mean = \frac{sum-of-salaries}{number-of-employees}

<u>Now, we can note that two parameters affect the mean, let's consider each:</u>

<u>a. Number of employees:</u>

We are given that one employee is replaced with another. This means that the number of employees did not change

<u>b. Sum of salaries:</u>

We are given that a person earning $15 left and the new person earns $7. This means that:

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This means that the sum of salaries decreased by 8

<u>Now, for the mean:</u>

We can conclude that since the numerator decreased while the denominator stayed the same, the mean will decrease

<u>2- checking the median:</u>

In the whisker plots, the median is represented by the vertical line inside the plot.

<u>In the first plot,</u> we can note that the vertical line is nearly half the distance between 9 and 10. This means that, for the first plot, the median is approximately 9.5

<u>In the second plot,</u> the place of the median is unchanged. It is still approximately midway between 9 and 10 which means that the median in the second plot is approximately 9.5

Therefore, the median of the data remains unchanged.

Hope this helps :)

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3 years ago
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Divide the population of 65 or older by the percentage:

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