a helium tank used to fill balloons consists of a half sphere atop a cylinder. The height of the cylinder is 0.5 meters, and its radius is 0.1 meters. The radius of the half sphere is also 0.1 meters. what is the volume of the helium tank?

he spend 5.1 minutes chatting with his friends

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5 1/10

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

hope this .

i think it would be 42cm