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The sum of two whole numbers is odd when one but not both of them is odd.

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โˆ™ 2011-05-11 18:19:05
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Q: When is the sum of two numbers an odd number?
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Related questions

What is the sum of two odd and even numbers?

The sum of two odd numbers or two even numbers is an even number. The sum of an odd number and an even number is an odd number.


The sum of two odd numbers is always what?

Sum of two odd numbers are always even, and the sum of 2 even numbers are also even. The sum of an odd number & an even number are always odd.


What is the sum of two odd numbers?

The sum of two odd numbers is always an even number


What is the sum of two odd numbers called?

The sum of two odd numbers is an even number.


Can you add two odd numbers to 23?

The sum of two odd numbers never makes an odd number. Only the sum of an odd number and an even number makes an odd number.


Are odd numbers closed under subtraction?

No, nor under addition, either. The sum or difference of two odd numbers is NOT an odd number.No, nor under addition, either. The sum or difference of two odd numbers is NOT an odd number.No, nor under addition, either. The sum or difference of two odd numbers is NOT an odd number.No, nor under addition, either. The sum or difference of two odd numbers is NOT an odd number.


When you add an odd number and odd number what kind of number is sum?

The sum of two odd numbers is an even number.


What happens when you add an odd number and an odd number?

Two odd numbers always sum to an even number. Always. Two even numbers always sum to an even number, and an odd number and an even number always sum to an odd number.


Why is the sum of three odd numbers always odd?

Because the sum of two odd numbers is always even and the sum of that even number plus another odd number is always odd.


Is the sum of two odd numbers an even numbers?

Yes, when adding two odd numbers together the sum will always be an even number.


Why can't you add two even numbers up to 23?

23 is odd. A sum of two even numbers never makes an odd number. Likewise, no sum of two odd numbers makes an odd number. 23 can only be made by adding an odd and an even number.


Who discovered when any even number added with a prime number makes a whole number?

It doesn't have to be a prime number and an even number. The sum of any two whole numbers is a whole number. Also, the sum of two even numbers is an even number, the sum of two odd numbers is an even number, and the sum of an odd number and an even number is an odd number.


What number is the product of the same two odd numbers and sum to 7?

No two odd numbers can sum to 7.


Can 5 odd numbers that if you add them make 32?

37


What are two odd numbers whose sum is odd?

There are none. Two odd numbers added together equal a even number.


What types of numbers can always be written as the sum of two nonzero consecutive whole numbers?

ODD NUMBERS. If you take two consecutive whole (non zero) numbers then one will be an odd number and the other will be an even number. The sum of an odd number and an even number is always an odd number.


What do you notice about thesum of odd numbers?

I notice that the sum of two odd numbers is an even number.


Can you tell if sum of several numbers will be even or odd?

Yes, all you have to do is to count the number of ODD numbers in the list. If it is odd, then the sum will be odd; if even, so will the sum. Knowing this can help you run a quick validity check when you sum up a list of numbers. (The method works because: a) the sum of two even numbers is even, and b) the sum pf two odd numbers is even, but c) the sum of an even number and an odd number is odd. Hence, if you only determine whether there are any unpaired odd numbers, you know the answer.)


What five odd numbers add up to 100?

No 5 odd numbers add up to 100. The sum of any two odd numbers is even. The sum of any two even numbers is even. So the sum of any 4 odd numbers must be even. Take that and add an odd number and the sum must be odd. Therefore, the sum of any 5 odd numbers must be odd. 100 is even. In conclusion: The sum of any odd number of odd numbers is odd.


Is the sum of two odd numbers is always odd?

The sum of two odd numbers is always even.


Will the sum of two odd numbers be even or odd?

The sum of two odd numbers is always even.


What are four consecutive numbers that add up to 35?

There are no four consecutive whole numbers that add up to 35. The sum of two consecutive [whole] numbers is an even number plus an odd number which is an odd number. The sum of two consecutive numbers and the two next consecutive numbers is the sum of two odd numbers which is even, but 35 is odd, so no four consecutive whole numbers cannot add up to 35.


Is 2001 the answer of the sum of four consecutive integers?

No. The sum of four consecutive integers is two odd numbers plus two even numbers which is an even number. 2001 is an odd number, therefore it cannot be the sum of four consecutive numbers.


Is the sum of two consecutive numbers always divisible by 2?

No, the sum of two consecutive numbers is always an odd number, and is not divisible by two.


What odd number is divisible by 7 and is the sum of two and is less than 25 consecutive numbers?

All odd numbers are the sum of two consecutive numbers. Odd multiples of 7 less than 25 are 7 and 21.