Mathematics, 23.07.2019 00:30, adelawilliams60
sandra sells necklaces at a school craft fair. she uses the equation p= 7.5n - (2.25n + 15) to determine her total profit at the fair. based on this equation, how much does she charge for each necklace? a. $2.25b. $7.50c. $15.00d. $17.25this question has been posted with i am not in understanding. would someone mind explaining why the answer is $7.50? why wouldn't it be $2.25?
Answers: 1
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 21:00, 22MadisonT
Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75
Answers: 2
Mathematics, 21.06.2019 21:30, xxaurorabluexx
Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis. y = 7ex, y = 7e^-x, x = 1; about the y-axis
Answers: 2
sandra sells necklaces at a school craft fair. she uses the equation p= 7.5n - (2.25n + 15) t...
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