C)
(-7) = -14
d)
(-9) = 6...
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Mathematics, 20.06.2019 18:04
What is the common difference in the following arithmetic sequence? 7,3,-1,-5
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Mathematics, 21.06.2019 17:00
The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?
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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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Mathematics, 21.06.2019 19:30
What is the result of adding the system of equations? 2x+y=4 3x-y=6
Answers: 2
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