document.write( "Question 1075416: Find the first term and the common difference for the arithmetic sequence. Round approximations to the nearest hundredth.
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document.write( " S5=75, a5=33 \n" );
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Algebra.Com's Answer #690284 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! an=a1+(n-1)d \n" ); document.write( "a5=a1+4d=33 \n" ); document.write( "S5=(n/2)(a1+a5) \n" ); document.write( "75=(5/2)(a1+33) \n" ); document.write( "30=a1+33 \n" ); document.write( "a1=-3 \n" ); document.write( "33=-3+4d \n" ); document.write( "4d=36 \n" ); document.write( "d=9 \n" ); document.write( "-3,6,15,24,33 \n" ); document.write( " |