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vazorg [7]
3 years ago
8

A printer can print 27 pages in 4.5 minutes. How much time does it need to print 324 pages?

Mathematics
1 answer:
valentina_108 [34]3 years ago
5 0
27 pages/4.5 mins = 324/n

Now, solve for n.

N=54

So, 54 minutes is the answer!
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2 years ago
The scores of a high school entrance exam are approximately normally distributed with a given mean mu = 82.4 and standard deviat
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The percentage of the scores that are between 75.8 and 89 is; 95%

<h3>How to find the percentage from z-score?</h3>

We are given;

Population mean; μ

Standard deviation; σ = 3.3

Thus;

z-score for a mean score of 75.8 is;

z = (75.8 - 82.4)/3.3

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z-score for a mean score of 89 is;

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From online p-value from z-score calculator, the p-value between both z-scores is;

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Read more about z-score at; brainly.com/question/25638875

#SPJ1

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2 years ago
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Answer:

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Answer:

Step-by-step explanation:

get the x alone by subtracting 3 from each side.

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3 years ago
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