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hichkok12 [17]
3 years ago
11

A certain number has exactly eight factors including 1 and itself. Two of its factors are 21 and 35. What is the number?

Mathematics
1 answer:
Alja [10]3 years ago
5 0
<span>The eight factors are 1, 3, 5, 7, 15, 21, 35, 105.</span>

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Answer:

z-score = 4.43,

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Step-by-step explanation:

The provided information is:

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Let x be the sell of department store on Tuesday.

Then, x = $34,924.62

The z-score is define as:

z=\dfrac{x-\mu}{\sigma}\\\\=\dfrac{34924.62-28286.28}{1500}\\\\=4.43      

Thus, the Tuesday's z-score is 4.43. So this is usually good day.

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percent increase = (new - original)/ original

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