emilynicole2 emilynicole2
  • 22-07-2017
  • Mathematics
contestada

A pool can be filled by one pipe in 4 hours and by a second pipe in 12 hours. How long will it take using both pipes to fill the pool?

Respuesta :

amirreza688 amirreza688
  • 05-08-2017
1/t=1/4+1/12=(3+1)/12=4/12=1/3
t=3 hour
Answer Link

Otras preguntas

solve the following system of equations 1/2(x+2y)+5/3(3x-2y)=3/2 ; 5/4(x+2y)-3/5(3x-2y)=61/60​
What is the completely factored form of f of x equals x3 - 2x2 - 5x + 6
Suppose a crew at an unloading dock can unload 3 trucks per hour and have already unloaded 17 trucks. Which equation can be used to model the number of trucks t
Sorry to bother you people on Easter BUT can someone help me HAPPY EASTER
(Please answer fast!): How would the meaning of the paragraph change if the word suspicious replaced the word interesting?
Which of the following would you describe as a public health issue? A. a sudden outbreak of cholera B. a man having an operation due to food poisoning C.
Find the value of x.
the magnet below is cut in half. what will be the result?
How did the terrain of Vietnam affect the way the U.S. forces conducted the war?
My answer is b, is this correct?