Posted by **Sarah** on Friday, February 3, 2012 at 6:12pm.

A 200-miles trip by an electric automobile must be completed in 4 hours. If it takes x number of hours to travel the first half of the distance, write an equation describing the average speed for the second half of the trip as a function of x for the 0<x<4.

- math -
**Anonymous**, Saturday, February 4, 2012 at 12:33am
s = 100/(4-x)

## Answer This Question

## Related Questions

- math - a round trip car ride took 12 hours. the first half of the trip took 7 ...
- math a little less - celia writes the equation d=8t to represent the distance in...
- Math - can you help i dnt know what to do so could you tell me how to solve it 1...
- math (pre calc) - Imagine that you are driving 150 miles and you want your ...
- math - your family is driving to houston,texas.A sign indicates that you are 700...
- MATH! - a round trip car ride took 12 hours. the first half of the trip took 7 ...
- math - a round trip car ride took 12 hours. the first half of the trip took 7 ...
- pre-algebra - your family is driving to houston,texas.A sign indicates that you ...
- math algebra - A train averaged 80 km/h for the first half of its trip. How fast...
- physics - A train takes 3.3 hours to travel the first leg of a trip at 17 m/s. ...

More Related Questions