document.write( "Question 863863: If you pile oranges in a pyramid that has 1 orange in the top layer, 4 in the next layer nine in the third layer, and 16 in the fourth layer, how many oranges will you need to make a pile with 10th layer? \n" ); document.write( "
Algebra.Com's Answer #520673 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! This is neither arithmetic nor geometric progression \n" ); document.write( "Tn=n^2 \n" ); document.write( "1,4,9,16,25,36,49,64,81,100 \n" ); document.write( "The tenth layer will have 100 oranges \n" ); document.write( "for a total of 385 oranges in the 10 layer display \n" ); document.write( " \n" ); document.write( " |