Find the first term and rule for the nth term of the arithmetic sequence if A11=43 and d =5
Answers
Answered by
1
Answer:
a = -7
Step-by-step explanation:
Given:
→ a11 = 43
→ d = 5
→ an = a+(n-1)d
→ a11 = a+(11-1)5
→ 43 = a+(10)5
→ 43 = a+50
→ 43-50 = a
→ a = -7
Answered by
0
Answer:
Step-by-step explanation:
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