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01-07-2018
Mathematics

contestada

Find the geometric mean between each pair of numbers.
28 and 7

Select one:

a. square root of 35

b. 196

c. 14

d. 17.5

Respuesta :

04-07-2018

[tex]\text{The geometric mean:}\ \sqrt[n]{a_1\cdot a_2\cdot...\cdot a_n}[/tex]

[tex]\sqrt{28\cdot7}=\sqrt{4\cdot7\cdot7}=\sqrt{4\cdot49}=\sqrt4\cdot\sqrt{49}=2\cdot7=14[/tex]

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