document.write( "Question 803278: I have to find the _th term of a sequence\r
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document.write( "what i know\r
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document.write( "a= 2.2
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document.write( "d= -0.2
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document.write( "Tn= -14\r
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document.write( "how do i find what term -14 is? \n" );
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Algebra.Com's Answer #484226 by waynest(281)![]() ![]() ![]() You can put this solution on YOUR website! -14 = 2.2 + (n - 1)-0.2 \n" ); document.write( "-14 = 2.2 - 0.2n + 0.2 \n" ); document.write( "-14 = 2.4 - 0.2n \n" ); document.write( "-14 - 2.4 = 2.4 - 2.4 - 0.2n \n" ); document.write( "16.4 = -0.2n \n" ); document.write( "-16.4/-0.2 = -0.2n/-0.2 \n" ); document.write( "82 = n\r \n" ); document.write( "\n" ); document.write( "check:\r \n" ); document.write( "\n" ); document.write( "tn = 2.2 + (82 -1)-0.2 \n" ); document.write( "tn = 2.2 + (81)-0.2 \n" ); document.write( "tn = 2.2 - 16.2 \n" ); document.write( "tn = -14 \n" ); document.write( " |