document.write( "Question 986584: I'm stumped on a question concerning arithmetic and geometric recursive formulas. I am given four terms, and I'm asked to write the common ratio, and to find the tenth term. \r
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document.write( "The first four terms given are: 15000, 4500, 1350, 405, 121.5 \n" );
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Algebra.Com's Answer #607446 by ikleyn(52782)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "4500 = 15000*0.3;\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1350 = 4500*0.3;\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "405 = 1350*0.3;\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "121.5 = 405*0.3.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The given 5 numbers are the first 5 terms of a geometric progression with the first term 15000 and the common ratio 0.3.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Therefore, you may expect that the next term is 121.5*0.3 = 36.45.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |