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If a number is added to itself, it is twice that number
→ 18 ÷ 2 = 9
→ 9 + 9 = 18
Wiki User
∙ 2018-02-13 06:30:56
Asrar Adam
Wiki User
∙ 2018-02-13 06:12:17It is 9 + 9 = 18
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What number multiplied itself equals 324?
18
When 18 is added to 6 times a certain number the result is 168 what is the number?
9
What should be added to 10056 to get a number exactly divisible by 23?
18
When 18 is added to 6 times a certain number the result is 168. What is the number?
169
What is a number x added to 18?
A number x added to 18 would be written x + 18. The value* of x + 18 would depend on the value x. For example, if x was 2, x + 18 would equal 20. if x was 10, x + 18 would equal 28, and so on. *'Value' means what actual number it comes to.
What 2 numbers equal -18?
A Prime number has only 2 factors which are 1 and itself. 11 and 7 equal 18 when added.
Which two prime number add to make 18?
7 & 11 added together total 18.
What 2 prime numbers equal 18?
A prime number has only 2 factors which are 1 and itself. 11 and 7 equal 18 when added.
What is the value of x plus 9 equals 18?
9 x represents a number so in this equation it basically means what number is added to 9 to make 18 to work it out you do 18-9=9
What is the greatest factor of 18?
18. All numbers' highest factor is the number itself.
What number multiplied by itself given 18?
4.242640687It's the square root of 18
What number multiplied itself equals 324?
18
Why is it 18 not a square number?
no, it not because it does not have a product of itself
What is the algebraic expressionfor a number x added to 18?
It is simply: x+18 or 18+x
How is 18 a composite number?
18 is a composite number because a prime number can only be multiplied by 1 and itself. 18 can be multiplied by 9 and 2 also.
What are the lowest multiples of 18?
The lowest multiple of any number is the number itself.
Why is 18 not a prime number?
2 x 9 = 18, so 18 has more factors than 1 and itself. It cannot be prime because a prime number has two factors: 1 and itself.
