Determine the rate at which the volume is changing with respect to time when r=8cm. (in cm^3/min)

We are going over scale drawings and we are doing pre risk with find equivalent ratios we are also doing equivalent ratios and rates

Here in Northwest Ohio about 40% of our electricity is generated at the David Besse Nuclear Power Plant, near Port Clinton. (The other 60% comes from the coal-powered plants.) one of the by-products...

6. A population of bacteria is growing at the rate of 2.3% per minute. Calculate how long it will take for the size of the population to double. Give your answer to the nearest minute.

Two bikers are 11 miles apart and walking toward each other. They meet in 2 hrs. Find the ratebof each hikerif one hiker walks 1.1 mph fater than the other

Alberto rented a car with a full tank of gas and 14 ,803 miles on the odometer. After 5 days he returned the car with 15,252 miles on the odometer.He also put 14.5 gallons of gas into the tank. The...

If the rate of the boat in still water is 12mph, and the rate of the current of a river is x mph, what is the rate of the boat in each case? a) The boat is going upstream (that is, against the current,...

Pratap Puri rowed 22 miles down a river in 2 hours, but the return trip took him 5 1/2 hours. Find the rate Pratap can row in still water and find the rate of the current. Let x=rate Pratap can row...

Gabriel can finish a packet of cereal in 6 days. The next packet of identical cereal he shares with his sister Sheila, and the two of them take 4 days to finish the packet. If Sheila alone had been...

boat travels 20mph. find the rate of current if boat can travel 6 miles up stream in the same amount of time boat can go down stream. The rate of the river current is what?