Ask a New Question
Search
Questions and answers by
jaynavelle
Answers (1)
#5 using the formula Sn=n/2(2a+(n-1)d) S5=5/2(2(2)+(5-1)2) S5=5/2(4+(4)2) S5=5/2(4+8) S5=5/2(12) S5=5/2 x 12/1 S5=60/2 or 30+1= 31 S5=31
