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polet [3.4K]
3 years ago
5

The geometic mean of 4 and 21

Mathematics
1 answer:
-Dominant- [34]3 years ago
4 0

Answer:

12.5

Step-by-step explanation:

4+21=25

25/2=12.5

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What is the best approximation of the length of segment QS? (Note: cos 80° = 0.17)
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Step-by-step explanation:

1. You have the following information:

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