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ioda
3 years ago
14

What is 70 over 9 in simplest form

Mathematics
1 answer:
suter [353]3 years ago
5 0
To get 70/9 in simplest form you would have to divide 70 by 9. 9 goes through 70 seven times, which is 63. So 70-63= 7 which is the leftover. So the mixed number would be 
7 7/9. 
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I got D.

There's a few ways to solve it; I prefer using tables, but there are functions on a TI-84 that'll do it for you too. The logic here is, you have a standard normal distribution which means right away, the mean is 0 and the standard deviation is 1. This means you can use a Z table that helps you calculate the area beneath a normal curve for a range of values. Here, your two Z scores are -1.21 and .84. You might notice that this table doesn't account for negative values, but the cool thing about a normal distribution is that we can assume symmetry, so you can just look for 1.21 and call it good. The actual calculation here is:

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3 years ago
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olchik [2.2K]
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telo118 [61]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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