Greg16777 Greg16777

11-04-2018
Mathematics

contestada

Find the sum of the integers from -2007 through +2009

Respuesta :

Аноним Аноним

11-04-2018

This is an arithmetic sequence with first term -2007 and common difference of 1. and last term = 2009. Total number of terms = 2008 + 2009 = 4017

Sn = (n/2)(a + l)

Sum (4017/2) ( -2007 + 2009) = 4017 * 2 / 2 = 4017 Answer

Answer Link

Otras preguntas

Explain why shorelines are always changing

If a car can go from 0 to 60 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50 mi/hr?

The golfer hits the golf ball. The quadratic y=-8*x^2 +48*x gives the time x seconds when the golf ball is at height 0 feet. In total, how long is the golf ball

A candy distributor needs to mix a 10% fat-content chocolate with a 40% fat-content chocolate to create 100 kilograms of a 16% fat-content chocolate. How many k

I need help on my English homework I have no

Who was the African-American who called the war with Mexico disgraceful and cruel? Why?

What is significant about Gatsby keeping watch over Daisy at the end of the chapter? In the Great Gatsby

find the sum of 3b/b+2 and 12/b+2 and express it in simplest form

A candy distributor needs to mix a 10% fat-content chocolate with a 40% fat-content chocolate to create 100 kilograms of a 16% fat-content chocolate. How many k

8k-1=15 ? Help I have a question were we have to work this out what do I do?