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When you double any number you are in-fact multiplying it by 2 which is an even number.
All even numbers are multiples of 2.
When a number is doubled, it is multiplied by 2 and so the result is always a multiple of 2.
Thus it must always be an even number.
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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.
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 is a 3 digit whole number when doubled remains a 3 digit number When you add 2 to the doubled number it becomes a 4 digit number?
Any number when doubled becomes even. Thus the key part of the question is identifying a 3 digit even number that you can add 2 to to become a 4 digit number. The answer is 998. Thus to find the original number we need to do 998/2. This calculates to 499.
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 an algebrain expression a number doubled by 2?
Assuming that the phrase "doubled by 2" is tautological, the expression for a number multiplied by 2 (or a number doubled) is 2n.
The difference of two even number is always an even number?
Yes, the difference between two even numbers is always an even number.
What are the rules of an even number?
All even numbers can be divided by two, while odd numbers can't. Also, an even number plus an even number is always even. An odd number plus an odd number is always even. An even number plus an odd number is always odd.
How does the total number change when the number is doubled?
If the number is doubles its total is doubled since its total is itself!
What is one third of an unknown number doubled?
one third of an unknown number doubled is...
Is the sum of a prime number and a composite number always even?
No, the sum of a prime number and a composite number is not always even.
What even number and odd number equal a even number?
Your question is incomplete. Adding an even number with an odd number will always result in an odd number. Multiplying an even number with an odd number will always result in an even number.
Is an even number times an even number always even?
yes it is
Is the greater common factor of an odd number and an even number always even?
No, always odd.
