Mathematics, 19.08.2019 00:30 Kingmoney959
Three ladders measure 5 3/4 meters, and 7 1/4 meters in length. what is the difference between the longest and shortest lengths?
explain when is addition, subtraction, division, or multiplication.
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Mathematics, 21.06.2019 14:30
The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0
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Mathematics, 21.06.2019 19:00
What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?
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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
Three ladders measure 5 3/4 meters, and 7 1/4 meters in length. what is the difference between the l...
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