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emmainna [20.7K]
3 years ago
7

Is -8.3 a rational number? if so can you provide it in a/b form

Mathematics
1 answer:
zalisa [80]3 years ago
6 0

Answer:

yes-8.3=\frac{-83}{10}\\is ~of ~the ~form ~\frac{a}{b}  ~where ~a=-83, ~b=10

Step-by-step explanation:

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Step-by-step explanation:

A)  

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The scores on a quiz are normally distributed. The mean of the quiz is 93 and the standard deviation is 4.2. By using the Empiri
xz_007 [3.2K]

Answer:

any score that lies between 88.8 and 97.2 is within one std. dev. of the mean

Step-by-step explanation:

One std. dev. above the mean would be 93 + 4.2, or 97.2.  One std. dev. below the mean would be 93 - 4.2, or 88.8.

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6 0
3 years ago
1/4+x=5 1/8<br> What is x?<br> Please, Please, Please, Please help me!<br> Will mark Brainliest!
miv72 [106K]

Answer:

4 7/8

Step-by-step explanation:

First we need to gte the denominators the same!

So we multiply the 1/4 by 2

1/4 x 2 = 2/8

Now we subtract the 2/8 from 5 1/8 to get our answer :)

5 1/8 - 2/8 = 4 7/8

Your final answer will be 4 7/8 :)

Have a great day!

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