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If a number is added to itself, it is twice that number
→ 18 ÷ 2 = 9
→ 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 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.
If 6 is added to twice a number and that sum is multiplied by 3 the result is the same as if the number is multiplied by -1 and the product of that is added by 4 What is the number?
6x + 18 = 4 - x 7x + 18 = 4 7x = -14 x = -2
What number is a factor of 1 2 3 6 9 and itself?
18
What 2 numbers equal -18?
A Prime number has only 2 factors which are 1 and itself. 11 and 7 equal 18 when added.
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.
Which two prime number add to make 18?
7 & 11 added together total 18.
What number can be added to 18 to get 27?
18+x=27 calculate and your answer should be 9.
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 is the algebraic expressionfor a number x added to 18?
It is simply: x+18 or 18+x
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
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.
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.
