Mathematics, 25.10.2019 01:43 angieagfan9270
There are three drains in a 6-meter-deep reservoir of water. to lower the water level by 2 meters it takes drain a 2 hours, drain b 3 hours, and drain c 4 hours. if all three drains are opened at once, how long will it take to empty the reservoir?
Answers: 3
Mathematics, 21.06.2019 18:00, drew3vans34
14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6
Answers: 1
Mathematics, 21.06.2019 20:20, oscarmasinde44
Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
There are three drains in a 6-meter-deep reservoir of water. to lower the water level by 2 meters it...
Mathematics, 20.09.2021 16:10
Mathematics, 20.09.2021 16:10
Mathematics, 20.09.2021 16:10
Mathematics, 20.09.2021 16:10
Mathematics, 20.09.2021 16:10
Mathematics, 20.09.2021 16:10