radomes.openskiesproject.org
KyleAsking KyleAsking
  • 09-08-2016
  • Mathematics
Answered

What is the sum of all odd integers between 8 and 26

Verified Answer :

texaschic101
texaschic101 texaschic101
  • 09-08-2016

odd integers between 8 and 26
{ 9,11,13,15,17,19,21,23,25}...added = 153 <==

Answer Link
dalendrk
dalendrk dalendrk
  • 09-08-2016

It's an arythmetic sequence:

\(a_1=9;\ d=2;\ a_9=25\\\\S_n=\dfrac{a_1+a_n}{2}\cdot n\\\\S_9=\dfrac{9+25}{2}\cdot9=\dfrac{34}{2}\cdot9=17\cdot9=153\\\\Answer:\boxed{153}\)

Answer Link

Related Questions

A pizza is cut into twelve pieces Describe the steps you would take to find the area of one slice of the pizza
What was another term used for the DemocratRepublican party in colonial times
Use elimination to solve each system A customer at a concession stand bought 2 boxes of popcorn and 3 drinks for 12 Another customer bought 3 boxes of popcorn a
Types of excretory organs found in living organisms
Find the ordered pairs for the x and yintercepts of the equation 2x 6y 24 and select the appropriate option below A The xintercept is 20The yintercept is 06 B T
4554 in simplest form
Current physical activity guidelines recommend that children and adolescents do at least minutes of activity each day a 15 b 60 c 90 d 35
Words that describe Betsy Ross
need a number line to show the answer to 110 2
An exclamatory sentence always ends in A A period B A question mark C An exclamation point D A period or an exclamation point