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Blake
MaxineOh, dude, like, when you double a number, you're basically adding the number to itself, right? And if the original number is even, well, adding it to itself will definitely give you an even number. It's like doubling up on slices of Pizza - you'll always end up with an even number of slices, no matter how you slice it.
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Is an even number plus an even number always even?
Yes, an even number plus an even number is always even. Also, and odd number plus an odd number is always even.
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.
What is one third of an unknown number doubled?
one third of an unknown number doubled is...
Is the square of an even number odd or even?
The square of an even number is always even.
Why is the sum of an odd or even number odd or even?
The sum of an odd and even number is always odd because there's always one left over. Think of any odd number as being any even number plus one. If you add two even numbers, the answer is always even. If you add an even and an odd (plus one), the answer is always odd.
