Mathematics, 05.10.2021 05:40 emmazhu1106
On a construction site, a winch is used to wind cable onto the drum of the winch. For the first layer of cable, the line pull P of the winch is related to the diameter D of the drum by the formula P= k/D where k is a constant. If P=4200 lb and D=6 in., find the value of the constant k in foot-pounds.
Answers: 1
Mathematics, 21.06.2019 13:30
Which best describes the transformation that occurs in the graph? a) dilation b) reflection c) rotation d) translation
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Mathematics, 21.06.2019 19:00
Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?
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Mathematics, 21.06.2019 20:30
3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.
Answers: 1
On a construction site, a winch is used to wind cable onto the drum of the winch. For the first laye...
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