Numerade

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3. Millions of people ride railroads every year. The National Association of Railroad Passengers provides the following figures for railroad ridership in 2004. Rail System Amtrak system Northeast Corridor Intercity + West Riders (millions) 25.0 14.2 10.8 500 25/50 a. What percentage of the railroad riders rode the Amtrak system in 2004? b. If one of these riders is to be interviewed, what is the probability that the ride rode the Amtrak system in 2004 if he or she is selected at random? c. Explain the difference and the relationship between questions and answers in parts a and b.

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Which describes the muscle architecture in order from the smallest to the largest components? Group of answer choices Myofilament, fascicle, muscle fiber Myofilament, muscle fiber, fascicle No answer text provided. Muscle fiber, muscle bundle, myofibril

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An electric toy car is travelling around a cicular track at a constant speed. A ruler is positioned beside the track. The position of the car measured in centiemers can be modelled by the equation p=26sin(pi/2 t)+40 where p is the position of the sinusoidal function is _________ centimetres and the time it takes for the car to travel aroundthe track once is _____ seconds

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In which market structure is non-price competition most prevalent? Oligopoly Monopoly Monopolistic competition Perfect competition

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By 1964, 10 years after the Court's Brown ruling, what percentage of Black children attended integrated schools? 80% 50% 2% 10%

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Question 1 (4.25 points) Concerning SNOMED-CT, what is meant by a poly-hierarchical knowledge representation?

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Integrate the following $\int e^{3-4x} dx$ $\int_1^e \frac{ln^2(x^2)}{x} dx$ $\int_0^1 \frac{t^2}{1 + t^6} dt$ $\int_1^2 s(s - 1)^9 ds$

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Two vibrating tuning forks have identical frequencies, but one is stationary and the other is mounted at the rim of a rotating platform. What does a listener hear?

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df = (s1^2 / n1 + s2^2 / n2)^2 / ((s1^2 / n1)^2 / (n1 - 1) + (s2^2 / n2)^2 / (n2 - 1))

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Question 1: Either find the inverse of the following matrix or determine that it is singular(not invertible): (a) -2] -4 (b) 1 -1 -3 (c) -2 2 1

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mitchell a.