Mathematics, 20.11.2019 08:31 helo55
Alarge drain and a small drain are opened to drain a pool. the large drain can empty the pool in 3 h. after both drains have been open for 1 h, the large drain becomes clogged and is closed. the small drain remains open and requires 9 more hours to empty the pool. how long would it have taken the small drain, working alone, to empty the pool?
Answers: 1
Mathematics, 21.06.2019 17:30
Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression
Answers: 2
Mathematics, 21.06.2019 23:00
Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?
Answers: 1
Mathematics, 22.06.2019 00:30
Which polynomial equation of least degree has -2, -2, 3, and 3 as four of its roots? (x + 2)(x - 3) = 0 (x - 2)-2(x + 3)3 = 0 (x-2 + 2)(x2- 3) = 0 (x + 2)2(x - 3)2 = 0
Answers: 2
Alarge drain and a small drain are opened to drain a pool. the large drain can empty the pool in 3 h...
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