Friday

July 25, 2014

July 25, 2014

Posted by **dell** on Friday, November 2, 2012 at 12:52pm.

- math -
**Reiny**, Friday, November 2, 2012 at 5:26pmYour diagram should be a right-angled triangle with sides 80, 2r, and hypotenuse 100

(2r)^2 + 80^2 = 100^2

4r^2 = 3600

r^2 = 900

r = √900 = 30

The other car was going 30 mph

**Related Questions**

math - two cars leave the same point at noon. one car travels north and the ...

math - two cars leave the same point at noon. one car travels north and the ...

algebra 2 - two cars leave an intersection. one car travels north; the other ...

calculus - Q#1: From a point of O, two cars leave at the same time. One car ...

Algebra - Two cars start at the same point at Alexandria, verginia, and travel 2...

physics - Two cars approach an ice-covered intersection. One car, of mass 1.26 ...

College Physics - suppose the two cars are headed in the same direction. A ...

Algebra - Two cars start at the same point at Alexandria, verginia, and travel ...

physics - Two cars leave the same point at the same time, each travelling at the...

physics - Two cars leave the same point at the same time, each travelling at the...