Phillyg7102 Phillyg7102
  • 09-01-2024
  • Mathematics
contestada

pipe a fill a cistern in 9 hours and pipe b empty the cistern in 12 hours. how much time will be taken to fill the empty cistern, if both the pipes are opened simultaneously?

Respuesta :

Otras preguntas

According to a Gestalt principle called _______, when we're looking at a crowd of people, we tend to perceive people grouped close together as belonging to a c
Name two structures other than DNA, that bacterial cells have but animal cell do not.
What company management strategy was used to suppress the Homestead Strike?
why voltmeter and resistence are parallel in ohm's law.
what happened to the water vapor when the earth cooled 3 billion to 3.5 billion years ago ? What formed ?
What is the minimum resistance which can be made using five resistors each of 1/5
State the maximum and mini mum value of f(x)= x^2+9
Energy from various sources is considered to have been derived from sun.Do you agree?Do justify.
how do you find the y-intercept in a equation?
Which of the following statements about ice melting is true?A) Energy flows from the ice to its surroundings.B) Water molecules move from their fixed positions.