The volume of water flowing through a pipe varies directly wlth the square of the radius of the pipe. if the water flows at a rate of 80 liters per minute through a pipe with a radlus of 4 cm, at what rate would water flow through a pipe with a radius of 3 cm? (rigorous) (competency 007) 11. a) 45 liters per minute b) 6.67 liters per minute c) 60 liters per minute d) 4.5 liters per minute

A

Step-by-step explanation:

Volume varies directly with the square of the radius, so:

V = k r²

When V = 80, r = 4.

80 = k (4)²

k = 5

V = 5r²

When r = 3:

V = 5 (3)²

V = 45

The flow is 45 L/min.

-9

step-by-step explanation:

false

step-by-step explanation:

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there 2 different things