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Lesechka [4]
4 years ago
10

What is the geometric mean of 7 and 12? a.1 b.9.5 c.2√21 d.4√21

Mathematics
2 answers:
PSYCHO15rus [73]4 years ago
8 0

Answer:

C. 2\sqrt{21}

Step-by-step explanation:

dcbac

ddd [48]4 years ago
5 0
<span>The correct answer is option B. i..e 9.5 The geometric mean of any two numbers a and b is given as the squareroot of the product of a and b. Thus, the geometric mean of 7 and 21 is sqrt(7*12) = sqrt(84) = 9.16 ~ 9.5 </span>
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