Mathematics, 28.06.2019 19:00 sariahieveryone
Douglas said he can find 240÷10 by taking the 0 off 240 to get 24. douglas finds 59.20÷10 using the same method and gets 59.2. complete the statement about why douglas is correct or incorrect douglas (a. incorrect b. correct) because 59.20 (a. equal to b. not equal to .c. ten times) 59.2. 59.20 ÷ 10 = ?
Answers: 1
Mathematics, 21.06.2019 14:30
In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.
Answers: 1
Mathematics, 21.06.2019 19:00
The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?
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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
Douglas said he can find 240÷10 by taking the 0 off 240 to get 24. douglas finds 59.20÷10 using the...
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