document.write( "Question 379627: A collection of dimes is arranged in a triangular array with 18 coins in the base row, 17 in the next, 16 in the next, and so forth. Find the value of the collection. \r
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "I am looking through my text and cannot find an explanation anywere, I appreciate the help \n" );
document.write( "
Algebra.Com's Answer #269572 by edjones(8007) You can put this solution on YOUR website! Find the sum of the arithmetic sequence and multiply it by .10 \n" ); document.write( "S[18]=18/2(1+18) \n" ); document.write( "=9*19 \n" ); document.write( "=171 \n" ); document.write( "=$17.10 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |