Mathematics, 28.01.2020 14:03 Joxx29
Klaus was replacing the roof on his house. he used 420 nails to attach al the pieces of wood. each piece of wood needed 7 nails to hold it in place. he used 40 pieces of wood. how many pieces were left?
Answers: 1
Mathematics, 21.06.2019 15:00, denisebaslee15
Of four points are collinear, they are also coplanar
Answers: 2
Mathematics, 21.06.2019 17:20, kolbehoneyman
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 18:30, llolo8
Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?
Answers: 1
Klaus was replacing the roof on his house. he used 420 nails to attach al the pieces of wood. each p...
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