Mathematics, 03.12.2019 07:31, lucinda90

The water from one outlet, flowing at a constant rate, can fill a swimming pool in 9 hours. the water from a second outlet, flowing at a constant rate, can fill the same pool in 5 hours. if both outlets are used at the same time, approximately what is the number of hours required to fill the pool?

(a) 0.22
(b) 0.31
(c) 2.50
(d) 3.21
(e) 4.56

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:30, claudiapineda860

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

Answers: 1

continue

Mathematics, 22.06.2019 00:00, meganwintergirl

Can someone plz me understand how to do these. plz, show work. in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]

Answers: 3

continue

Mathematics, 22.06.2019 01:00, londonchanel

What is the period of the sinusoidal function ?

Answers: 3

continue

Mathematics, 22.06.2019 01:10, mawawakaiii

Write each improper fraction as a mixed number. 9/4. 8/3. 23/6. 11/2. 17/5. 15/8. 33/10. 29/12.

Answers: 2

continue

Do you know the correct answer?

The water from one outlet, flowing at a constant rate, can fill a swimming pool in 9 hours. the wate...