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

Zacarías and paz together have $756.80 if Zacarías has $489.50, how much does Paz have? Write and solve an addition equation to find how much money belongs to P

The more feedback we receive from others on their observations of our personalities and behaviors, the larger the _____ area of the Johari Window will become.

Several market participants interact in developed markets to organize the exchange of funds from buyers to sellers. Such institutions as investment banks, comme

Which of the following does NOT constitute an act of "investment" as economists use the term? A)A department store increases its inventory of football jerseys

Claire wants to solve the equation -1/4(x-1)=2/3x+2. Which step would not be an appropriate first step for Claire to take to solve for x? A. Multiply both sides

what punishment would a violator of the Sherman antitrust act face

The sentence, "our company experienced an increase in profits during the last fiscal year," uses precise vigorous wording. True or False?

Which tool is used to test electrical current within a source of power, like a power supply? Cable tester Cable striper Crimper Multimeter

The trial balance would automatically reveal the following error: Land was purchased for cash but instead of crediting cash, the credit was made to Accounts Rec

The entrance of a microbe into an individual's vascular space has initiated opsonization. How will the health care provider explain this process that is critica