Mathematics, 20.09.2021 22:10 dakodahepps
At a dairy plant, a milk tank can be filled in 6 hours (using the in-valve). Using the out-valve, the tank can be emptied in 10 hours. If both valves are open and milk is being pumped into the tank, how long will it take to fill the tank?
Answers: 2
![\begin{aligned}\dfrac{1}{6} - \dfrac{1}{10} &= \dfrac{1}{6}\cdot\bold{\dfrac{5}{5}} - \dfrac{1}{10}\cdot\bold{\dfrac{3}{3}}\\[0.5em]&= \dfrac{5}{30} - \dfrac{3}{30}\\[0.5em]& = \dfrac{2}{30}\\[0.5em]& = \dfrac{1}{15}\end{aligned}](/tpl/images/2471/2152/6748a.png)
Another question on Mathematics
Mathematics, 21.06.2019 16:20
Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais
Answers: 2
Mathematics, 21.06.2019 16:30
Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1
Answers: 1
Mathematics, 21.06.2019 19:30
Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?
Answers: 3
Mathematics, 21.06.2019 21:30
If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2
Answers: 2
You know the right answer?
At a dairy plant, a milk tank can be filled in 6 hours (using the in-valve). Using the out-valve...
Questions
English, 24.03.2021 15:50
Mathematics, 24.03.2021 15:50
Mathematics, 24.03.2021 15:50
Chemistry, 24.03.2021 15:50
Mathematics, 24.03.2021 15:50
Geography, 24.03.2021 15:50
Mathematics, 24.03.2021 15:50
History, 24.03.2021 15:50
Mathematics, 24.03.2021 15:50
Mathematics, 24.03.2021 15:50
Social Studies, 24.03.2021 15:50
Physics, 24.03.2021 16:00
