Find
the number of the term
18, 15 1/2, 13.......-47
Answers
Answered by
19
Answer:
A=18
d =-5/2
an=-47
an=a+(n-1)d
-47=18+(n-1)-5/2
-47-18=n-1(-5/2)
-65*-2/5=n-1
-13*-2
26+1 =n
27=n
Answered by
58
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Similar questions