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Mathematics, 22.07.2020 20:01, genyjoannerubiera
There is a small island in the middle of 100m wide river and a tall tree stands on the island. P and q are points directly opposite to each other on the two banks and in line with the tree. If the angles of elevation of the top of the tree from p and q are respectively 30 and 60, find the height of the tree
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Mathematics, 21.06.2019 20:30, cogger9348
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.
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Mathematics, 21.06.2019 21:00, nell1234565
A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building
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There is a small island in the middle of 100m wide river and a tall tree stands on the island. P and...
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