Register
Find the sum of the AP 1 + 3 ½/2 +6.... 101
96.9k views
5 votes
Find the sum of the AP 1 + 3 ½/2 +6.... 101

User Arney
by
5.8k points

1 Answer

3 votes

Answer:

2091

Explanation:


1+3.5+6+\cdots+101 \\ \\ n=(101-1)/(2.5)+1=41 \\ \\ a=1 \\ \\ d=2.5 \\ \\ S=(41)/(2)[2(1)+(41-1)(2.5)] \\ \\ =2091

User Davit Sargsyan
by
4.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.7m questions

7.5m answers

Other Questions

Aliyah has $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
Evaluate a + b when a = –16.2 and b = –11.4 A. –27.6 B. –4.8 C. 4.8 D. 27.6
What is the value of x? (-4) - x = 5
Can someone help me with 5??? ASAP?
Solve for h 3h=7(2/7-3/7h)-10
Link Copied!