Mathematics, 24.06.2019 07:40 aliyahaliyah54
Aframe is made from wire. "the frame is in the shape of a rectangle, 30cm by 20cm. the two diagonals of the rectangle are also made from wire. calculate the total length of wire needed to make the frame and the diagonals. give your answer correct to 1 decimal place."
Answers: 2
Mathematics, 21.06.2019 15:30
If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80
Answers: 2
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
Mathematics, 21.06.2019 22:00
Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.
Answers: 2
Mathematics, 22.06.2019 03:30
Find the slope of the line that passes through the points (-3, -1) and (0, 3). 3/4 0 4/3
Answers: 2
Aframe is made from wire. "the frame is in the shape of a rectangle, 30cm by 20cm. the two diagonals...
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