Mathematics, 26.10.2019 00:43 aambitiouss
Jean runs 6 mi and then rides 24 mi on her bicycle in a biathlon. she rides 7 mph faster than she rns. if the total time for her to complete the race is 2.25 hr, deterimine her average speed running and her average speed riding her bicycle
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 20:00
Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books
Answers: 1
Mathematics, 21.06.2019 21:00
Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?
Answers: 2
Jean runs 6 mi and then rides 24 mi on her bicycle in a biathlon. she rides 7 mph faster than she rn...
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