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kiruha [24]
2 years ago
11

A school staff meeting had 36 teachers in attendance, 75% of whom were first-year teachers. How many first-year teachers were in

the meeting?
Mathematics
2 answers:
natita [175]2 years ago
8 0

Answer:

27

Step-by-step explanation:

First, lets write this down, 36 x 75%, then lets convert the percent: 36 x .75, multiply! And we get 27.

ICE Princess25 [194]2 years ago
3 0

Answer:

\huge\boxed{\sf  27\ teachers}

Step-by-step explanation:

Total Teachers in the meeting = 36

First-year teachers = 75 % of 36

<u>We know that:</u>

[ "of" means to "multiply" ]

[ % means out of 100 ]

<u>So,</u>

= \frac{75}{100} * 36

= \frac{3}{4} * 36

= 3 * 9

= 27 teachers

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
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Your friend, Susannah, manages a sandwich shop. She collects data on the number of turkey sandwiches sold per day for a week. Ex
ExtremeBDS [4]

Susannah's data are illustration of measure of central tendencies

<u>(a) The mean</u>

To calculate the mean, she needs to divide the total number of turkey sandwiches sold, by the number of days.

The total is:

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So, the mean is:

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\mathbf{Mean =99.4}

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<u>(b) The median</u>

To calculate the median, she needs to arrange the data in ascending or descending order, then select the middle item.

In ascending order, we have: 73, 85, 88, 88, 99, 129, 134

The middle item is 88

So:

\mathbf{Median = 88}

Hence, the median number of turkey sandwiches sold is 88

<u>(c) The mode</u>

This is the data that occurs most.

From the dataset, 88 appears twice (more than others).

So:

\mathbf{Mode = 88}

Hence, the mode number of turkey sandwiches sold is 88

<u>(d) The range</u>

This is the difference between the highest and least data

From the dataset,

The highest is 134, and the least is 73

So:

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Hence, the range of turkey sandwiches sold is 61

The measure that would be most helpful is the median, because it is not affected by outliers.

Read more about measures of central tendencies at:

brainly.com/question/5495004

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2 years ago
A basketball player has a 50% chance of making each free throw. What is the
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Answer:

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Answer:

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