I've actually just learned this. We would set up the proportion as X/9=36/X so after we cross multiply we get x^2=324. Then we find the square root of both sides to simplify. And using my calculator the square root of x^2 is just x. And the square root of 324 is 18. So the final answer is x=18 or the geometric mean is 18.
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Answer:
10
Step-by-step explanation:
I think that would be C but idk tell me if im right
Answer:
45 Handshakes
Step-by-step explanation:
45 Handshakes have taken place all together
