document.write( "Question 935194: Please help me to solve two questions : 1、A basketball is dropped from a height and it rebounds. Each time the basketball rebounds it rebounds to a height that is 4/5 of its previous height. The ball is dropped from a height of 200 centimeters. What height will the ball bounce to on the third rebound?
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document.write( "2、If the length of a rectangle is shortened by 2 centimeters and the width is increased by 5 centimeters, it will be a square with an area of 36 square centimeters. What is the length and width of the original rectangle ? \n" );
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Algebra.Com's Answer #568344 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! I'll do the first one to get you started\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "# 1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Initial Height = 200 cm\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It falls to the ground, then bounces up to a height of (4/5)*200 = 160 cm. This is after bounce 1.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It falls back down, and then rebounds to (4/5)*(160) = 128 cm. This is after bounce 2.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Finally, for bounce 3, it rebounds to a height of (4/5)*(128) = 102.4 cm.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Short summary:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Initial Height: 200 cm \n" ); document.write( "Height after bounce 1: 160 cm \n" ); document.write( "Height after bounce 2: 128 cm \n" ); document.write( "Height after bounce 3: 102.4 cm\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Question: \"What height will the ball bounce to on the third rebound? \" \n" ); document.write( "Answer: 102.4 cm\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------------------------------------------------------------------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you need more one-on-one help, email me at jim_thompson5910@hotmail.com. You can ask me a few more questions for free, but afterwards, I would charge you ($2 a problem to have steps shown or $1 a problem for answer only).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Alternatively, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Any amount is greatly appreciated as it helps me a lot. This donation is to support free tutoring. Thank you.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Jim\r \n" ); document.write( "\n" ); document.write( "------------------------------------------------------------------------------------------------------------------------ \n" ); document.write( " |