Answer:
12
Step-by-step explanation:
The mean is the average. Which is all of the numbers added together divided by the amount of numbers.
11+8+18+9+15+11=72
72÷6=12
Answer:
0.28 miles
Step-by-step explanation:
Plz mark brainliest!!!
Following are the responses to the given points:
For point a:

Calculating the 3 rotations for every minute:
Calculating time for completing 1 rotation:
The standard form of the equation of the sine and cosine function is:
Calculating the Amplitue:

Calculating the phase shift:
for
function:
for
function:
Calculating the vertical shift:

For point b:

Learn more:
Rotation: brainly.in/question/39626227