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20*(20+1)/2 = 210

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โˆ™ 2013-02-20 18:51:22
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Q: What is the sum of the first 20 positive integers?
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Related Questions

What is the sum of the first 20 integers is?

The sum of the first 20 integers is 190.


What is the sum of the first four non-negative consecutive even integers?

The sum of the first four non-negative, consecutive, even integers is 20.


What is the sum of all integers from 1 to 20?

The sum of all integers from 1 to 20 inclusive is 210.


How many positive integers less than 100 have the sum of their digits equal to a perfect square?

There are 20.


How many positive integers less than 20 are equal to the sum of a positive multiple of 3 and 4?

Two of them. Two of them. Two of them. Two of them.


What is the sum of first 10 positive even integers?

Many people would consider 0 to be the first even positive integer, however similar to the neutron in an atom, 0 holds a neutral position. Meaning it is neither a proton (+1) or electron (-1). So our first positive even integer would be 2.2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 = 110, which is the sum of the first ten evenly positive integers.


The sum of two consecutive even integers is 38 what are the integers?

The integers are 18 and 20.


Product of 20 and a sum of 12?

The integers 2 and 10 have a product of 20 and a sum of 12.


The sum of three consecutive integers is 63?

20,21 and 22 are three consecutive integers whose sum is 63. 20+21+22


Find three consecutive integers whose sum is 60?

The integers are 19, 20 and 21.


What is the sum of two even integers that is 26?

20+6


The sum of three consecutive integers is Negative 63 What are the three integers?

The numbers are -22, -21 and -20.


What is the integer of two even consecutive integers whose sum equals 42?

The integers are 20 and 22.


What Three consecutive integers have the sum of 60?

19, 20, and 21


What are the two consecutive integers that's sum is 41?

20 and 21


What three consecutive integers have the sum of 57?

18, 19, 20


What is the sum of the series of the first 20 positive integers ending in 3?

You can list them out and add them up: 3 + 13 + ... + 193 {20 items}, or you can recognize the sequence: (n = 0..19) of (n*10 + 3), the sum would be 20*3 + 10*Sum[(n=0..19) of just n], which is 20*3 + 10*[190] = 60 + 1900 = 1960. If you add up the column of numbers, you get the same result.


What is the product of two negative integers?

The product of two negative integers is positive as for example -4 times -5 = 20


The sum of two consecutive even integers is 42. find the numbers?

The two even integers are 20 and 22. 20 + 22 = 42.


What is the sum of the first 100 positive integers divisible by 10?

First integer divisible by 10 is 10 itself .So the numbers are 10,20,30,40 and so onthe sum is10+20+30+40+....+990+100010(1+2+3+4+.....+99+100)10*100*101/250500


Is 18 or -20 closer to -2?

Negative 2 - negative is 18 integers. Positive 18 to negative is 20 integers.


The sum of three consecutive even integers is 54 Find all three integers?

16+18+20= 54


What 2 integers gives the sum of -23?

25


What are two consecutive even integers that have a sum of 38?

18 + 20 = 38


What are two integers with a product of 20 and a sum of -9?

29