Mathematics, 10.08.2021 03:00 macybarham
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A scuba diver dove (-50) feet deep into the water. After every 2 minutes he rose (+2) feet toward the water surface. How deep in the water was he after 12 minutes.
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Mathematics, 21.06.2019 13:50
Given the function f(x) = 3x + 1, evaluate f(a + 1). a. 3a + 1 b. a + 2 c. 3a + 4
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Mathematics, 21.06.2019 17:20
What is the reflection image of (5,-3) across the line y = -x?
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Mathematics, 21.06.2019 20:30
Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i
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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
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A scuba diver dove (-50) feet deep into the water. After e...
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