kelseygadd2 kelseygadd2

15-01-2017
Mathematics

contestada

use Gauss approach to find the sum of the following numbers
1+2+3+4+...+98

Respuesta :

Newtion Newtion

15-01-2017

[tex]\displaystyle 1+2+3+4+...+n= \frac{n(n+1)}{2} [/tex]

According to Gauss's formula, we can get:

[tex]\displaystyle 1+2+3+4+...+98= \frac{98(98+1)}{2}=49\cdot 99=4851[/tex]

Answer Link

Otras preguntas

How many strings of 3 lower case english letters are possible that have the letter "t" in them somewhere? Here strings may use the same letter more than once?

Which decibel level can cause permanent hearing loss A.0 B.20 C.40 D. 80 Pls help need answers ASAP

Which act addressed English soldier and officials who had committed serious crimes in Massachusetts

25pts The next train will arrive in 22 mins and 30 seconds. In how many seconds will the next train arrive?

Which is an example of an external influence? A. Heredity B. Experiences C. Likes / dislikes D. Lifestyle

You learned in the lesson that the Constitution protects individual rights that affect most citizens' daily lives. You also learned that the government must bal

Select the correct answer. Roy is an archaeologist. During a recent archaeological dig in China, he discovered a clay tablet that contained a series of diagrams

A gallon of paint covers 400 square feet. How many square feet with 2 3/8 gallons of paint cover?

The food pyramid suggests that you eat 4–6 servings of fruits and vegetables a day for a healthy diet. It also says that the number of servings of vegetables sh

how many ways to take away 5