davidfernandez8240 davidfernandez8240

03-12-2017
Mathematics

contestada

A swimming pool can be filled in 5 hours by hose a alone and 6 hours by hose b alone. how long would it take to fill the pool using both hoses?

Respuesta :

jorel1380 jorel1380

07-12-2017

hose a =1/5 pool per hour
hose b=1/6 pool per hour
1/5+1/6=11/30 pool per hour
1/11/30=30/11 hours to fill the pool with both hoses
☺☺☺☺

Answer Link

Otras preguntas

What is an amendment?

What major event happened on September 11, 2001, in the United States?

Compared to the charge of a proton, the charge of all electron has (1) a greater magnitude and the same sign (2) a greater magnitude and the opposite sign (3)

the product of two integers is 50. one integer is twice the other. find the integers.

Who is the Commander in Chief of the military?

Given the balanced equation representing a reaction: 4Al(s) + 3O2(g) ==> Al2O3(s) As the aluminum loses 12 moles of electrons, the oxygen (1) gains 4 moles o

What is the capital of the United States?

What is the gram-formula mass of Fe(NO3)3? (1) 146 g/mol (3) 214 g/mol (2) 194 g/mol (4) 242 g/mol

Why do some states have more Representatives than other states?

Given the balanced equation representing a reaction: H2O + HCl ==> H3O+ + Cl- According to one acid-base theory, the H2O molecule (1) accepts H+ ions (3