document.write( "Question 739565: Insert 3 arithmetic means between -19 and 79. (common difference)
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document.write( " Use a formula and show your work. Hint: This is an arithmetic progression with 5 terms, so n=5, hint: find d then add etc.\r
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document.write( " -19, _____, _____, _____, 79
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Algebra.Com's Answer #451176 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! (-19)+(5-1)*d=79, because the first term is (-19)+(1-1)*d=-19. \n" ); document.write( "Solve for d.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-19, -19+(2-1)d, -19+(3-1)d, -19+(4-1)d, 79 \n" ); document.write( " |