Mathematics, 24.07.2019 02:30 brookesquibbs
Atank contains 1000 l of pure water. brine that contains 0.05 kg of salt per liter of water enters the tank at a rate of 5 l/min. brine that contains 0.04 kg of salt per liter of water enters the tank at a rate of 10 l/min. the solution is kept thoroughly mixed and drains from the tank at a rate of 15 l/min. how much salt is in the tank (a) after minutes and (b) after one hour?
Answers: 1
is the amount of salt (in kg) after 
minutes, then 
and the total amount of liquid in the tank remains constant at 1000 L.
, we have 
is continuous, 
is always positive.
and 
Another question on Mathematics
Mathematics, 21.06.2019 15:50
Adaycare center charges a $75 enrollment fee plus $100 per week. which of the following represents the cost of sending a child to daycare for 14 weeks?
Answers: 2
Mathematics, 22.06.2019 01:30
Novak gives 9 packs of paper to a group of 5 students. if the group shares the paper equally how many packs of paper does each student get. write the a answer as a mixed number
Answers: 1
Mathematics, 22.06.2019 02:40
Jenny made a scale drawing of a city. the scale she used was 5 inches = 1 yard. what is the scale factor of the drawing?
Answers: 3
You know the right answer?
Atank contains 1000 l of pure water. brine that contains 0.05 kg of salt per liter of water enters t...
Questions
Mathematics, 10.11.2020 21:40
English, 10.11.2020 21:40
History, 10.11.2020 21:40
Mathematics, 10.11.2020 21:40
Mathematics, 10.11.2020 21:40
Biology, 10.11.2020 21:40
Mathematics, 10.11.2020 21:40
Chemistry, 10.11.2020 21:40
History, 10.11.2020 21:40
Mathematics, 10.11.2020 21:40
Computers and Technology, 10.11.2020 21:40
English, 10.11.2020 21:40
