Mathematics, 10.09.2019 23:30 youngboymark123
meg dilated triangle w by a factor less than 1. then she performed other transformations that were not dilations to create similar triangle w′.
which could be the vertices of triangle w?
a. x(–2, 2), y(–10, 2), z(–6, 10)
b. x(2, 2), y(4, 2), z(3, 4)
c. x(0, 2), y(4, 2), z(2, –6)
d. x(2, 2), y(2, 6), z(4, 6)
Answers: 1
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Question and answers are in the attached picture. you so much in advance.
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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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What is the equation of a line passing through (-6,5) and having a slope of 1/3
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