Mathematics, 27.11.2019 01:31 mia2286
Going against the current, a boat takes 6 hours to make a 120-mile trip. when the boat travels with the current on the return trip, it takes 5 hours. if x = the rate of the boat in still water and y = the rate of the current, which of the following systems could be used to solve the problem? a) 6(x - y) = 120 b) 5(x + y) = 120 c) 6(x + y) = 120 d) 5(x - y) = 120 e) 6x - 5y = 120 f) x + y = 120
Answers: 1
Mathematics, 21.06.2019 12:30
—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months
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Mathematics, 21.06.2019 17:30
The sum of two numbers is 12 and their difference is 18 what are the two numbers
Answers: 1
Mathematics, 21.06.2019 21:20
An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.
Answers: 2
Mathematics, 21.06.2019 21:40
Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.
Answers: 1
Going against the current, a boat takes 6 hours to make a 120-mile trip. when the boat travels with...
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