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Mathematics, 21.06.2019 12:30
Jackson drew 4 hearts and 29 circles. what is the ratio of circles to all shapes?
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Mathematics, 21.06.2019 15:00
What is the missing constant term in the perfect square that starts with x^2 -20x
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Mathematics, 21.06.2019 17:00
What properties allow transformation to be used as a problem solving tool
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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
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