Mathematics, 10.02.2021 18:20 xaniawashington
The original selling price for a jacket was s dollars. The selling price was then changed on two occasions by the store owner. Its price is now represented by 1.25(0.8s). Which statement could explain what happened to the price of the jacket?
yall I'm doing a math test hurry, please
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Answers: 3
Mathematics, 21.06.2019 20:50
An automobile assembly line operation has a scheduled mean completion time, ÎĽ, 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
Mathematics, 21.06.2019 21:00
Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x
Answers: 1
Mathematics, 22.06.2019 01:30
Will mark brainliest! ( explain the answer too, it can be one sentence)
Answers: 1
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