Register
Add first 15 natural numbers and find the average? Solution with formula?
122k views
3 votes
Add first 15 natural numbers and find the average?

Solution with formula?

User Robotronx
by
5.3k points

2 Answers

3 votes

Answer:

120

Explanation:

User Buka
by
4.8k points
3 votes

Good morning ☕️

Answer:

8

Explanation:

the formula : (sum of 15 consecutive term of an arithmetic sequence)


1+2+3+...+15=(15*(15+1))/(2) =(15*16)/(2)=15*8\\

Now,


Average=(15*8)/(15) =8

User Ashwani Kottapalli
by
5.2k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.0m questions

7.8m answers

Other Questions

Solve for y in terms of x. 2/3y - 4 = x y = x + 6 y = -x + 4 y = -x + 6 y = x + 4
Aliyah has $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
Ten gallons of paint were poured into two containers of different sizes. Use one variable to express the amount poured into each container
Use the normal model ​n(11371137​,9696​) for the weights of steers. ​a) what weight represents the 3737thth ​percentile? ​b) what weight represents the 9999thth ​percentile? ​c) what's the iqr of the weights
Evaluate a + b when a = –16.2 and b = –11.4 A. –27.6 B. –4.8 C. 4.8 D. 27.6
Link Copied!