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

Rebbeca buy some scarves that cost $5 each and two purses that cost $12 each. The cost of the Rebeccas total purchases is $39. Write and solve an equation that

a + c =150 9a + 6c = 1155

das zimmer von silvia ist nicht so gros,aber........zimmer hat einen balkon.

The one-to-one functions g and h are defines as follows. g={(-7,-9),(-2,8),(2,-7),(3,2)} h(x)=3x-10 Find the following. g^-1 (2)=_____ h^-1 (x)= ______ (h•h^-1)

An expert is someone whoA. expends the least amount of effort for the greatest skillsB. expends the least amount of efficiency for the greatest practiceC. expen

Learning a second language improves children’s cognitive flexibility. a. true b. false

This STI is a bacterial infection that affects mucous membranes.

who was the first president of the united states?

Given that <1 is a complement of <2 and that m<2=8degrees , find m<1

Most infants are able to crawl and speak a few words by the time they___ are . a. 18 b. 10 c. 3