Sunday

December 21, 2014

December 21, 2014

Posted by **Dennis** on Wednesday, May 12, 2010 at 7:55pm.

- math -
**Damon**, Wednesday, May 12, 2010 at 9:37pm50 + .9 * 2 * 50 + .9^2*2*50 +.9^3*2*50 +.9^4 *2 * 50

= -50 +100 + 100 (.9^1 +.9^2 + .9^3 + .9^4)

-50 + geometric series g=100 n = 5, r = .9 in

Sum5 = 100(1-.9^4)/(1-.9)

= 100 (.3439)/.1 = 344

-50 + 344 = 294

**Answer this Question**

**Related Questions**

math - A ball is dropped from a height of 5 ft. Assuming that on each bounce ...

math - a ball tossed to a height of 4 meters rebounds 40% of its previous height...

math - A tennis ball is dropped from a height of 7 ft. If the ball rebounds 2/3...

maths - A ball is dropped from a height of 1 metre. At every bounce it travels ...

math - a ball rebounds one half of the height from which it was dropped. The ...

math - 1.A ball is dropped from a height of 2.0, to a floor. After each bounce, ...

math - a ball is dropped from a height of 3m and bounces on the ground . At the ...

math - a ball is dropped from a height of 5m. after each bounce, the ball rises ...

Math - A ball is thrown 16 m into the air. The ball falls, rebounds to half its ...

Calculus - Hard rubber ball is thrown down from a building with a height of 5 ...