mikkayladonovan mikkayladonovan
  • 01-10-2021
  • Mathematics
contestada

Onepipefillsastoragepoolin20hours.Asecondpipefillsthesamepoolin15hours.Whenathirdpumpisaddedandallthreeareusedtofillthepool,ittakesonly6hours.Findhowlongittakesthethirdpipetodothejob (byitself).

Respuesta :

jay71212
jay71212 jay71212
  • 01-10-2021

Answer:

20

Step-by-step explanation:

If the 3rd pipe takes x hours,

1/6 = 1/20 + 1/15 + 1/x

x = 20

Answer Link

Otras preguntas

how does our government gather support of a war effort on the home front?
what is the surface area
Jane is sliding down a slide. What kind of motion is she demonstrating? a.translational motion b.rotational motion c.vibrational motion d.trasverse motion
Write an inequality for the following: all numbers less than 7 and greater than -7 a.n > 7, n < -7 b.|n| = 7 c.|n| < 7 d.|n| <-7
can someone help me or at least tell my why my answer is wrong?
When you eat pasta, you are eating _______. a. protein b. pure glucose c. a starch d. none of the above?
What contributed to the rise of the high Middle Ages
When you eat pasta, you are eating _______. a. protein b. pure glucose c. a starch d. none of the above?
This is the process a female goes through in order to give birth? A.conception. B.nutrition. C.labor D.Gestation
Who can vote in an open primary?