0
(n/2) times (n + 1)
eg for first 6 integers n = 6 and you have 6/2 x 6 + 1 = 3 x 7 = 21 which is correct.
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When 26 is divided by a positive integer the remainder is 2 what is the sum of all the possible values of n?
13
Is there a largest positive integer and why?
No, there is not. Given any positive integer n, n+1 is also a positive integer and it is larger.
What is the sum of the whole numbers 1-25?
26
What is a rule in terms of n for the sum of the first n even positive integers?
Sn = n*(n+1)
What is the sum of the first 25 even numbers?
The sum of the first n positive integers (i.e. 1+2+3+...+n) is given by n(n+1)/2 so the sum of the first 25 positive integers is 1+2+3+...+25 = 25x26/2 = 325. The sum of the first 25 EVEN numbers will be double this i.e. 2+4+6+...+50 = 650.
What is the sum of any integer n and zero?
Integer n.
What are the rules in multiplying integers?
Let's use N to represent any number.N x N = NN x -N = -N-N x -N = NSo the rules are:A positive integer times a positive integer will be a positive integerA positive integer times a negative integer will be a negative integerA negative integer times a negative integer will be a positive integer.
When 26 is divided by a positive integer the remainder is 2 what is the sum of all the possible values of n?
13
What is the sum of thre consecutive whole numbers?
If the first integer is "n", then the second integer would be "n + 1", and the third, "n + 2". The sum of all this is (n) + (n + 1) + (n + 2) = 3n + 3. In other words, three times the first number in the sequence, plus 3.
Is there a largest positive integer and why?
No, there is not. Given any positive integer n, n+1 is also a positive integer and it is larger.
What is the sum of the whole numbers 1-25?
26
A rule in terms of n for the sum of the first n odd positive integers is?
n2+n
What is the sum of the first forty positive integers?
The sum of the first forty positive integers can be calculated using the formula for the sum of an arithmetic series, which is (n/2)(first term + last term) where n is the number of terms. In this case, the sum is (40/2)(1 + 40) = 820.
Choose a nonzero integer for n to show -n can be evaluated as a positive number?
Choose a nonzero integer for n to show -n can be evaluated as a positive number?
What is a rule in terms of n for the sum of the first n odd positive integers is?
Sn = n^2
What is a rule in terms of n for the sum of the first n even positive integers?
Sn = n*(n+1)
What is the sum of the first 25 even numbers?
The sum of the first n positive integers (i.e. 1+2+3+...+n) is given by n(n+1)/2 so the sum of the first 25 positive integers is 1+2+3+...+25 = 25x26/2 = 325. The sum of the first 25 EVEN numbers will be double this i.e. 2+4+6+...+50 = 650.
