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sergey [27]
3 years ago
14

Are 124 and 741 relatively prime?

Mathematics
2 answers:
Darina [25.2K]3 years ago
6 0
Yes they very much are
iren [92.7K]3 years ago
5 0
Yes 124 and 741 are relatively prime
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It took 7.2 minutes to upload 8 digital photographs from your computer to a website. At this rate, how long will it take to uplo
kenny6666 [7]
If it take  some x  minutes to upload  some y  digital photographs, it means it has an average of: x/y minutes to upload a single digital photograph. Then, to upload z photographs, you just multiply   x/y   by z.

Spoilers for answer:
If it take 7.2 minutes to upload 8 digital photographs, it means it has an average of: 7.2/8 = 0.9 minutes to upload a single digital photograph. This means that, by this rate, it will take 20 * 0.9 = 18 minutes to upload 20 photographs to the website.
5 0
3 years ago
A random sample of 20 purchases showed the sample mean of $48.77 and the sample standard deviation s is $17.58. How large is the
laila [671]

Answer:

<h2>$5.03</h2>

Step-by-step explanation:

Given data          

Sample Mean (M):  $48.77  

Sample Size (n): 20

Standard Deviation (σ) :  $17.58

Confidence Level: 80%

 we know that z*-Values for 80% Confidence  Levels is 1.28

the expression for margin of error is given bellow\

MOE= z*σ/√n

We can now substitute into the expression and solve for the MOE as

MOE= 1.28*17.58/√20

MOE= 22.502/4.47

MOE= 22.502/4.47

MOE= 5.03

The margin of error for a 80 % confidence interval is $5.03

3 0
3 years ago
Slope of 2y = -x + 10
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The slope would be -1 because of the x
6 0
3 years ago
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X - number of customers

120+57\%x=x\\&#10;120+0.57x=x\\&#10;0.43x=120\\&#10;x\approx297.07

There can't be a fraction of the number of people, so there must be some mistake in the question.
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Natasha and Richard win some money and share it in the ratio 5:1. Natasha gets £32 more
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