document.write( "Question 1185115: a rubber ball is shot vertically to a height of 20ft and allowed to drop. each bounce is 80% as high as the previous bounce. what is the total distance the ball travels \n" ); document.write( "
Algebra.Com's Answer #815881 by Edwin McCravy(20081) You can put this solution on YOUR website! \r\n" ); document.write( "It goes up 20 feet and then comes back down 20 feet. That's 40 feet for the\r\n" ); document.write( "first term. Then it goes up 16 feet and comes back down 16 feet. So that's 32\r\n" ); document.write( "feet for the second term. We have an infinite geometric series with\r\n" ); document.write( "a1 = 40 and r = 80% = 0.8\r\n" ); document.write( "\r\n" ); document.write( "40+32+25.6+...\r\n" ); document.write( "\r\n" ); document.write( "\n" ); document.write( " |