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Elodia [21]
3 years ago
14

Irina currently exercises 135 minutes each week. She is planning to increase that by 15 minutes every week from now on. The expr

ession 15w + 135 can be used to find the number of minutes she will exercise during each successive week. Based on the expression, how many minutes will Irina exercise when w = 20?
Mathematics
2 answers:
DedPeter [7]3 years ago
5 0
435 minutes have a good day Pooh
snow_lady [41]3 years ago
3 0

Answer:

435 minutes

Step-by-step explanation:

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Allushta [10]

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Step-by-step explanation:

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4 0
3 years ago
Find the volume of the cylinder. Use 3.14 for s. Round your answer to the nearest hundredth.
serg [7]

Answer:

2255.31 cu.m

Step-by-step explanation:

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5 0
3 years ago
On a test that has a normal distribution, a score of 49 falls two standard deviations below the mean, and a score of 61 falls on
Zolol [24]

The mean of this test will be 57.

<h3>What is Standard Deviation and Mean?</h3>

A standard deviation (or σ) is a measure of how dispersed the data is in relation to the mean.

The mean can be used to get an overall idea, or picture, of the data set.

Let Mean be 'm'

and standard deviation= \sigma

So, m-2\sigma=49

and, m + \sigma=61

Solving the above two equation we get

\sigma =4

Now, m= 61-\sigma

           = 61-4

           = 57

So , the mean of this test will be =57

Learn more about mean and standard deviation here:

brainly.com/question/16030790

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6 0
2 years ago
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