Mathematics, 21.09.2019 09:30 ckolliegbo
One pump can fill a reservoir in 60 hours. another pump can fill the same reservoir in 80 hours. a third pump can empty the reservoir in 90 hours. if all three pumps are operating at the same time, how long will it take to fill the reservoir?
Answers: 2
Mathematics, 21.06.2019 18:00
Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}
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Mathematics, 21.06.2019 18:00
Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided
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Mathematics, 21.06.2019 19:30
Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28
Answers: 2
Mathematics, 21.06.2019 20:30
Find the nonpermissible replacement for binthis expression.b2/5b +5
Answers: 1
One pump can fill a reservoir in 60 hours. another pump can fill the same reservoir in 80 hours. a t...
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