document.write( "Question 1192001: Arithmetic Series Question:
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document.write( "Determine the number of terms in the following arithmetic sequence.\r
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document.write( "2x + y, 3x + 4y, 4x + 7y,...10x + 25y\r
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document.write( "Textbook answer is 10.\r
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document.write( "Can someone please tell me how to get 10? Thank you. \n" );
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Algebra.Com's Answer #824052 by MathTherapy(10552)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Arithmetic Series Question: \n" ); document.write( "Determine the number of terms in the following arithmetic sequence.\r \n" ); document.write( "\n" ); document.write( "2x + y, 3x + 4y, 4x + 7y,...10x + 25y\r \n" ); document.write( "\n" ); document.write( "Textbook answer is 10.\r \n" ); document.write( "\n" ); document.write( "Can someone please tell me how to get 10? Thank you. \n" ); document.write( " 10 is WRONG.\r\n" ); document.write( "\r\n" ); document.write( "Let's JUST use each term's 1st expression to get m=number of terms.\r\n" ); document.write( "1st term's first expression: 2x\r\n" ); document.write( "2nd term's first expression: 3x\r\n" ); document.write( "3rd term's first expression: 4x\r\n" ); document.write( "It's quite clear that d (DIFFERENCE) in terms ix x\r\n" ); document.write( "\r\n" ); document.write( "Again, using JUST the 1st expression of each term, and applying the number-of-terms formula:\r\n" ); document.write( "\n" ); document.write( " |