Question

The radius of a sphere-shaped balloon increases at a rate of 2 centimeters (cm) per second. If the surface area of the completely inflated balloon is 784π cm2, how long will it take for the balloon to fully inflate? Use SA=4πr2.

Answer 1

Answer:

7 seconds

Step-by-step explanation:

784 divided by 4 is 196

Square root of 196 is 14

2 cm per second

7 times 2 equals 14.

Answer 2

It will take 7 seconds for the balloon to fully inflate.

How to find time for the balloon to fully inflate?

784 divided by 4 is 196

The square root of 196 is 14

2 cm per second

7 times 2 equals 14.

What is an example of a word problem?

Word problems normally include mathematical modeling questions, where records and information approximately a positive machine is given and a student is needed to expand a model. For example, Jane had $5.00, then spent $2.00. How much does she have now?

Learn more about Word problems here: brainly.com/question/13818690

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