Mathematics, 08.01.2021 22:20 Science2019
Sam has an old tree in his back yard that has died and needs to be removed. He refuses to pay someone to chop it down, so he plans to do it himself. However, there are several obstacles surrounding the tree that if the tree falls in that direction, it will destroy them. The house is 15 feet west of the tree, the pool is 12 feet east of the tree, the storage shed is 14 feet south of the tree and the garage is 13 feet north of the tree. Sam, who is 6 feet talldecides to use similar triangles to figure out the best direction to make the tree fall. He measures his shadow and the tree's shadow at the same time. His shadow is 3 feet and the tree's shadow is 8 feet. Draw a figure to demonstrate his similar triangles problem. Find the height of the dead tree. Which direction should the tree fall?
Answers: 2
Mathematics, 21.06.2019 14:00
Find parametric equations for the line. (enter your answers as a comma-separated list of equations. let x, y, and z be functions of t.) the line in the direction of the vector 5 i + 5 j − 6k and through the point (−4, 4, −2).
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Mathematics, 21.06.2019 18:00
What is the measure of the smallest angle in the diagram? 15 29 32 45
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Mathematics, 21.06.2019 19:30
If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8
Answers: 2
Mathematics, 21.06.2019 19:40
Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297
Answers: 1
Sam has an old tree in his back yard that has died and needs to be removed. He refuses to pay someon...
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