Mathematics, 01.04.2020 22:08 patriciamelton57
In the xy-plane, the graph y=3x^2-14x intersects the graph of x=y at the points (0,0) and (a, a). What is the value of a?
Answers: 1
Mathematics, 21.06.2019 17:50
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
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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
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Mathematics, 21.06.2019 21:00
The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length
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Mathematics, 21.06.2019 21:30
Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.
Answers: 1
In the xy-plane, the graph y=3x^2-14x intersects the graph of x=y at the points (0,0) and (a, a). Wh...
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