Mathematics, 16.04.2020 22:57 jeanm
A tank can be filled by pipe A in 5 hours and by pipe B in 8 hours, each pump working on its own. When the tank is full and a drainage hole is open, the water is drained in 20 hours. If initially the tank was empty and someone started the two pumps together but left the drainage hole open, how long does it take for the tank to be filled
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 17:00
The graph of f(x), shown below, resembles the graph of g(x) = x2, but it has been changed somewhat. which of the following could be the equation of f(x)?
Answers: 2
Mathematics, 21.06.2019 17:00
Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?
Answers: 3
Mathematics, 21.06.2019 20:30
Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9
Answers: 1
Mathematics, 21.06.2019 20:30
In an improper fraction, is the numerator equal to, less than, or greater than the denominator
Answers: 2
You know the right answer?
A tank can be filled by pipe A in 5 hours and by pipe B in 8 hours, each pump working on its own. Wh...
Questions
History, 18.06.2020 02:57
Mathematics, 18.06.2020 02:57
History, 18.06.2020 02:57
