Find the value of y. 7 х 3 Z y = V[?] Give your answer in simplest form.

Mathematics

1 answer:

Irina-Kira [14]3 years ago

7 0

Answer:

Step-by-step explanation:

By geometric mean theorem:

${y}^{2} = 7 \times 3 \\ \\ {y}^{2} = 21 \\ \\ \huge \: y = \sqrt{ \boxed{21}}$

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Step-by-step explanation:

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In a group of eighteen people, each person shakes hands once with each other person in the group. How many handshakes will occur

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The number of handshakes that will occur in a group of eighteen people if each person shakes hands once with each other person in the group is 153 handshakes

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