Answer:
5.497787144 miles
Step-by-step explanation:
Remember that circumference of a circle can be calculated with:

r=radius
We also know that the radius is just a half of the diameter.
So, the radius of the track is (1/2)/2=1/4 miles
Now, use the circumference of a circle formula to find how much she runs in 1 lap.

Simplify

This is how much she runs in 1 lap.
Multiply by 3.5 for 3 and a half laps.

The answer is around 5.497787144 miles.
Answer:
-2a-4n+14
Step-by-step explanation:
Answer:
This is confusing could you give more details? Thanks!
Step-by-step explanation:
Answer
-23745599/2
Step-by-step explanation:
Answer:
2.4
Step-by-step explanation: