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Anestetic [448]
3 years ago
6

I need help please ​

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
5 0

Answer:

5/10 or 0.5

Step-by-step explanation:

step 1:find the least common denominator

4/5-3/10=

8/10-3/10=

step 2:subtract the numerators

8/10-3/10=5/10 or 0.5

hope this helps and PLEASE MARK ME BRAINLIEST.

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Whitepunk [10]

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3 years ago
The ages of 11 students enrolled in an on-line macroeconomics course are given in the following steam-and-leaf display:
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Step-by-step explanation:

The formula to compute the standard deviation is:

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Compute the standard deviation as follows:

SD=\sqrt{\frac{1}{n}\sum\limits^{n}_{i=1}{(x_{i}-\bar x)^{2}}}

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7 0
2 years ago
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