# MATH!!!

posted by .

To measure the length of a hiking trail, a worker uses a device with a 2-foot diameter wheel that counts the number of revolutions of wheel makes. If the device reads 1,100.5 revolutions at the end of the trail, how many miles long is the trail, to the nearest tenth of a mile?

circumfrence of circle is pi (3.14) times diameter
so 3.14 times 2 = 6.28
then 1100.5 times 6.28 is your answer. Remember to round to nearest tenth.

2 feet my 1100.5 revolutions =2201. feet divided by 5,280 feet per mile =.416856 of a mile or to the nearest 10th .4

## Similar Questions

1. ### Physics

A bike wheel rotates uniformly through 2 revolutions in 3 seconds. a) what is the period of the wheel's rotation?
2. ### Math

A bicycle travels 42 meters for every 20 revolutions of the wheel. How many revolutions would the wheel make in a kilometer?
3. ### Math

A bicycle travels 42 meters for every 20 revolutions of the wheel. How many revolutions would the wheel make in a kilometer?
4. ### physics

a motor cycle wheel has a diameter of 75cm.During a contest journey,the wheel makes 3000 complete revolutions.how many metres does d motorcycle travel.
5. ### math

One wheel has a diameter of 30 inches and a second wheel has a diameter of 20 inches. The first wheel traveled a certain distance in 240 revolutions. In how many revolutions did the second wheel travel the same distance?
6. ### Math

A bicycle has a 100 cm diameter wheel. If you ride on and around a circle with a 10 km diameter 12 times, how many revolutions does the wheel make?
7. ### maths

find the number of revolutions taken by the wheel of a truck to cover a distance of 78.5 km if the diameter of the wheel is 1m
8. ### Math

The circumference of a rear wheel of a carriage is 50 inches more than a front wheel. If the rear wheel makes as many revolutions in going 200 feet as the front wheel in going 120 feet, find the length of the circumference of each …
9. ### Math

A lorry travels at 50 km/h. Given that the diameter of its wheel is 88 cm,find how many revolutions per minute the wheel is turning. GIve your answer to the nearest whole number.
10. ### Math

If a wheel have a diameter of 50 centimeters. How many centimeters will the wheel travel if it makes 25 complete revolutions

More Similar Questions