Mathematics, 18.07.2019 19:40 brianna8739
Sam and joe are painters. sam makes 2$ an hour less than joe. on a job that took them both 40 hours to complete they made 440. how much does sam make an hour?
Answers: 1
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 17:40
Find the value of ax 4 ; a = 2, x = 1. select one: a. 2 b. 4 c. 1 d. 8
Answers: 2
Mathematics, 21.06.2019 18:30
Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.
Answers: 2
Sam and joe are painters. sam makes 2$ an hour less than joe. on a job that took them both 40 hours...
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