karinsan
karinsan karinsan
  • 09-04-2018
  • Mathematics
contestada

Please help!!! I still have about 8 more to do ;;

Please help I still have about 8 more to do class=

Respuesta :

backseatdog
backseatdog backseatdog
  • 09-04-2018
You can just manually add 6 until you come across 324.  So the answer is 12 terms.

You can also use this formula:

Sum = n/2 * (2a + (n-1)d)

and solve for n.

(n = number of terms, a = starting term, d = common difference)


Answer Link

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