AB = 24
BC = 45
AC = 51
cos C = adjacent / hypotenuse
cos C = BC / AC
cos C = 45/51
BC = 45
AC = 51
cos C = adjacent / hypotenuse
cos C = BC / AC
cos C = 45/51
Find the standard deviation of the data: 10, 8, 15, 20, 6, 14, 11, 12, 9
1 answer:
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<h3>Given fraction:</h3>
<em>Step</em><em> </em><em>1</em>: Devide both numerator and denominator by 4 and you'll get:
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