Mathematics, 17.07.2019 17:00, toxsicity
Motorboat travels 9 miles downstream (with the current) in 30 minutes. the return trip upstream (against the current) takes 90 minutes. which system of equations can be used to find x, the speed of the boat in miles per hour, and y, the speed of the current in miles per hour? recall the formula d = rt. 9 = 0.5(x β y) 9 = 1.5(x + y) 9 = 1.5(x β y) 9 = 0.5(x + y) 0.5 = 9(x β y) 1.5 = 9(x + y) 1.5 = 9(x β y) 0.5 = 9(x + y)
Answers: 1
Mathematics, 21.06.2019 18:30, amylumey2005
What can each term of the equation be multiplied by to eliminate the fractions before solving? x β + 2x = + x 2 6 10 12
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Mathematics, 21.06.2019 21:00, candaceblanton
Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.
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