Friday

November 28, 2014

November 28, 2014

Posted by **Anonymous** on Tuesday, November 6, 2012 at 3:26am.

- High school -
**Tarefa**, Tuesday, November 6, 2012 at 6:35amMaths

- Math -
**Reiny**, Tuesday, November 6, 2012 at 8:12amuse a simple ratio

let the number of revolutions in 1 km be n

n/1000 = 20/42

x = 1000(20/42) = 10000/21 or appr 476.2 revolutions

**Answer this Question**

**Related Questions**

Math - A bicycle travels 42 meters for every 20 revolutions of the wheel. How ...

6th grade - a bicycle wheel must make 13 revolutions to roll 25 meters. How many...

Math - A bicycle wheel, diameter 56 cm, is making 45 revolutions in every 10 ...

Trigonometry - A bicycle with a 26-inch wheel(diameter) travels a distance of ...

Physics - A bike wheel rotates uniformly through 2 revolutions in 3 seconds. a) ...

Physics - A bicycle wheel that initially spins at 3 revolutions per second is ...

physics - A bicycle wheel of radius 0.4 m is spinning at a rate of 40 ...

Physics - A wheel of arduous 30 cm is rotating at a rate of 2.0 revolutions ...

math - The diameter of a bicycle wheel is 65cm. How far does the bicycle go in ...

Math - A bicycle wheel is 30 inches in diameter. a. to the nearest revolution, ...