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Mathematics, 21.06.2019 17:20
Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem
Answers: 3
Mathematics, 21.06.2019 18:00
Solve this system of equations. 12x − 18y = 27 4x − 6y = 10
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Mathematics, 21.06.2019 20:30
Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2
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Mathematics, 21.06.2019 21:30
Are the corresponding angles congruent? explain why or why not.
Answers: 2
Which item would she need the most of for 30 people?...
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