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vlabodo [156]
2 years ago
13

Which set of data has a mean of 21?

Mathematics
1 answer:
kogti [31]2 years ago
5 0
PLEASE include a picture so we can answer!!!
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Answer:

Step-by-step explanation:

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That can be written as 

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Looking at the answer choices here, we can see that B and D use even roots, so they will give non-real answers.

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