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Mathematics, 21.06.2019 19:00
Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?
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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.
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Mathematics, 21.06.2019 21:50
Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?
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Mathematics, 10.10.2019 18:20
Mathematics, 10.10.2019 18:20
Mathematics, 10.10.2019 18:20
Mathematics, 10.10.2019 18:20
History, 10.10.2019 18:20
English, 10.10.2019 18:20
Mathematics, 10.10.2019 18:20