Mathematics, 23.01.2020 13:31 shahfaisal
Atank can be filled by one pipe in four hours and by a second pipe in six hours; and when it is full, the tank can be drained by a third pipe in three hours. if the tank is empty and all three pipes are open, in how many hours will the tank be filled?
8 hours
12 hours
24 hours
Answers: 3
Mathematics, 21.06.2019 17:50
F(x) = x2 β 9, and g(x) = x β 3 f(x) = x2 β 4x + 3, and g(x) = x β 3 f(x) = x2 + 4x β 5, and g(x) = x β 1 f(x) = x2 β 16, and g(x) = x β 4 h(x) = x + 5 arrowright h(x) = x + 3 arrowright h(x) = x + 4 arrowright h(x) = x β 1 arrowright
Answers: 2
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Mathematics, 21.06.2019 23:30
Kristen is wrapping presents for the holidays. she has a box that measures 4 ft. x 2 ft. x 2 ft. how many square feet of wrapping paper does she need to cover the box without overlapping?
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Atank can be filled by one pipe in four hours and by a second pipe in six hours; and when it is ful...
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