103,432 views
5 votes
5 votes
Find the 36th partial sum!!

please show work

Find the 36th partial sum!! please show work-example-1
User Bllakjakk
by
3.1k points

1 Answer

6 votes
6 votes

Answer:

307.8

Explanation:


T_(36)=a+(36-1)(d) \\ \\ =-0.2+35(0.5) \\ \\ =-0.2+17.5 \\ \\ =17.3 \\ \\ \\ \\ S_(36)=(-0.2+17.3)/(2)(36) \\ \\ =17.1(18) \\ \\ =307.8

User Thomas Koelle
by
3.4k points