Mathematics, 25.06.2019 20:00 ramos2019

Atank can be filled by one pump in 50 minutes and by another pump in 60 minutes. a third pump can drain the tank in 75 minutes. if all 3 pumps go into operation, how long will it take to fill the tank? pls

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 12:30, dondre54

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

Answers: 2

continue

Mathematics, 21.06.2019 16:00, orlando19882000

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

Answers: 1

continue

Mathematics, 21.06.2019 21:30, achsahjosey

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour. what is the cyclist average rate for the round trip in miles per hour ?

Answers: 1

continue

Mathematics, 21.06.2019 23:00, hd14yarnell

Is there a direction u in which the rate of change of f(x, y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.

Answers: 2

continue

You know the right answer?

Atank can be filled by one pump in 50 minutes and by another pump in 60 minutes. a third pump can dr...