If he does three hours, its 9 strips, for four, its 12, six is 18, seven is 21, and nine is 27
Answer:
4x-12
Step-by-step explanation:
The standard deviation of the set is 5.2
To find standard deviation, we take the square root of the variance.
Answer:
8
Step-by-step explanation:
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Cos(x) = sin(90 - x)
cos(53) = sin(90 - 53)
cos(53) = sin(37)
