Mathematics, 14.04.2020 17:30 guzmangisselle
A swimming pool can be filled in 11 hours if water enters through a pipe alone, or in 21 hours if water enters through a hose alone. If water is entering through both the pipe and the hose, how long will it take to fill the pool?
231/5000
Бассейн можно заполнить за 11 часов, если вода поступает только через трубу, или через 21 час, если вода поступает только через шланг. Если вода входит через трубу и шланг, сколько времени потребуется, чтобы наполнить бассейн?
Basseyn mozhno zapolnit' za 11 chasov, yesli voda postupayet tol'ko cherez trubu, ili cherez 21 chas, yesli voda postupayet tol'ko cherez shlang. Yesli voda vkhodit cherez trubu i shlang, skol'ko vremeni potrebuyetsya, chtoby napolnit' basseyn?
Send feedback
History
Saved
Community
▲
Answers: 2
Mathematics, 21.06.2019 14:50
Which expression is equivalent to 4 square root 6 divided by 3 root 2
Answers: 1
Mathematics, 21.06.2019 16:50
Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?
Answers: 1
Mathematics, 21.06.2019 17:00
The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.
Answers: 3
A swimming pool can be filled in 11 hours if water enters through a pipe alone, or in 21 hours if wa...
Mathematics, 11.11.2020 22:50
Mathematics, 11.11.2020 22:50
Mathematics, 11.11.2020 22:50
Mathematics, 11.11.2020 22:50
English, 11.11.2020 22:50
English, 11.11.2020 22:50
History, 11.11.2020 22:50
Mathematics, 11.11.2020 22:50
Business, 11.11.2020 22:50
Chemistry, 11.11.2020 22:50