chefmaryrusso chefmaryrusso

01-05-2021
Mathematics

contestada

A pool can be filled by one pipe in 8 hours and by a second pipe in 2 hours. How long will it take using both pipes to fill the pool?

Respuesta :

eliezerkafunya eliezerkafunya

01-05-2021

let the time taken to be filled by both pipes be y

1/2 +1/8=1/y

(4+1)/8=1/y

5/8=y

cross multiplying

5y=8

y=8/5

=1.6hrs

Answer Link

Otras preguntas

In the chemical equation: NO(g) + ½Cl2(g) → NOCl(g) How many moles of NOCl(g) are in the balanced chemical equation? fill in blank moles NOCl Report your a

A healthy 60-year-old African-American woman regularly receives health care at her neighborhood clinic. She is due for a mammogram. At her first visit, her heal

After teaching a group of students about fetal heart rate patterns, the instructor determines the need for additional teaching when the students identify which

about how many african americans held political office during reconstruction

predict the next three numbers please

What are the common factors of 60 and 80?

A(n) ___________ is the development of a product that is closely related to one or more products in the existing product line but is designed specifically to me

Psychological influences are internal factors that impact a consumer’s buying decision process. More specifically, ___________ is one type of psychological inf

Which sentence is punctuated correctly? The students line up in the afternoon to wait, for the buses to arrive. The students, line up in the afternoon, to wait

Which graph shows the rotation of the shape above, 90° counterclockwise about the origin?