Mathematics, 09.04.2021 23:50 lilGi0
Ms. Dunbar’s swimming pool measures 30 feet long by 15 feet wide ! Using a SCALE OF 2 IN. TO 10 FT, calculate the dimensions of a blueprint of her pool.
Answers: 2
Mathematics, 21.06.2019 19:30
If y varies directly as x2 and y=6 when x=6, find the constant of variation.
Answers: 2
Mathematics, 21.06.2019 20:30
Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how
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Mathematics, 21.06.2019 20:50
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.
Answers: 3
Ms. Dunbar’s swimming pool measures 30 feet long by 15 feet wide !
Using a SCALE OF 2 IN. TO 10 FT,...
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