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shepuryov [24]
3 years ago
15

Find the mean of the data set: 45, 137, 94, 173, 154, 72, 112, 94, 191

Mathematics
1 answer:
andrew-mc [135]3 years ago
3 0
To find the mean, you need to know how many numbers there are. You also need to know the sum of all the numbers.
There are 9 numbers.
The sum of the numbers is 1072.
The mean is the sum divided by the count.
The mean is 1072/9.
The mean is approximately 119.111
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jack wants to paint his walls. two walls are 12 ft by 8 ft and two walls are 10 ft by 8 ft. what is the area to be painted? if o
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Step-by-step explanation:

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Betty saves $161 a month. She saves $141 less each month than Jack. How much will jack save in 2 years?
tresset_1 [31]

Given that Betty saves $161 per month which is $141 less than Jack per month. find the amount that Jack will save in 2 years.

First, find how much Jack saves. We can do this buy adding 141 to 161 since Betty saves 141 less meaning we can reverse it by adding it.

141 + 161 = 302

Now, that we know how much Jack saves per month.

Then, we have to find out how many months are in 2 years.

We already know that there is 12 months in a year, so for 2 years, we can simply multiply by 2.

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Therefore, there are 24 months in two years.

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