Well, if the radius is 10, then the circumference is $\frac{2*10*22}7=\frac{440}7$
What's the unit? Either way, 22 rev. per minute means each minute you go by $22*\frac{440}7=\frac{9680}7$ units per second. Now you got the linear speed, just find out the time by dividing the distance by the speed!
So, what's the unit for the radius?

5 0

4 years ago

The data points represent the number of swimmers at

Ronch [10]

Answer:

44 swimmers

Step-by-step explanation:

4 0

4 years ago

Read 2 more answers

Math help? 10 points!

Kipish [7]

Perimeter is when you add all the sides together...but oh, no! There are two sides missing! So we have to find it. The horizontal like could be x and the vertical, the y. x would be 3 because one side is 7 and the other side is 4, so if we subtract them, we get 3. Same for the vertical, the y would be 3. (3+3=6)

Now we could add all sides to get the last choice, or 26 cm.

4 0

3 years ago