SOLUTION: PLEASE HELP!!!!! Dante is making a necklace with 18 rows of tiny beads in which the number of the beads per row is given by the series 3+10+17+24+.... A) use summation notation to

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Question 851217: PLEASE HELP!!!!! Dante is making a necklace with 18 rows of tiny beads in which the number of the beads per row is given by the series 3+10+17+24+.... A) use summation notation to write the series. Explain what the numbers in the summation notation represent in this situation and how you found the expression used in the summation. B) find the total number of beads in the necklace. Explain your method for finding the total number of beads
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
{3+10+17+24+.... } Arithmetic Series d = 7
sum%28+a%5Bi%5D%2C+i=1%2C+n+%29+=+%28n%2F2%29%282%2Aa%5B1%5D%2B+%28n-1%29d%29