Mathematics, 12.03.2020 03:08 Alan0201
12.7 Determine the Laplace transform of each of the following functions: (a) f1(t) =2t2e−3t u(t) (b) f2(t) =5sin(6t +30◦) u(t) *(c) f3(t) =10e−4(t−3) u(t −3) (d) f4(t) =15(e−2t −e2t) u(t) (e) f5(t) =8e−4t cos(2t) u(t) (f) f6(t) =10te−t sin(2t) u(t)
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If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?
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The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
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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
Answers: 1
12.7 Determine the Laplace transform of each of the following functions: (a) f1(t) =2t2e−3t u(t) (b)...
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