a water tank had three inlets, which independently can fill the tank in 20,40,30 minutes, respectively. How much time does it take to fill the when all work together

i can answer this question sweetie!

step-by-step explanation:

answer: a) (0,0), (1,1), (2,8), and (3,27).

step-by-step explanation:

0^3=0

1^3=1

2^3=8

3^3=27

in effect, the exponential equation for this would me y=3^x. each x-coordinate cubed is giving the y coordinate, so a is your answer : )

6 cm

step-by-step explanation:

2,160 π

step-by-step explanation: