Mathematics, 14.01.2021 21:20 surpremeblizzle
Anthony rode his skateboard for 4 miles in 20 minutes. What was his speed in miles per hour?
A. 5 miles per hour
B. 0.2 miles per hour
C. 12 miles per hour
D. 80 miles per hour
Answers: 3
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The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is
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An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.
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Anthony rode his skateboard for 4 miles in 20 minutes. What was his speed in miles per hour?
A. 5 m...
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