A variable
Yes, it can be.
They are variables or unknowns and are used in algebra.
Yes, it is.
The gender of the pronoun 'it' is neuter, a word that takes the place of a noun for a thing that has no gender.The number of the pronoun 'it' is singular, a word that takes the place of a noun for one thing.
When you do not know the value of a particular number, the most usual symbol used in place of that number is the letter x.
Yes, it can be.
A variable.
a variable
The unknown or the variable
a variable is a letter that takes the place of a number
Yes, Number the Stars takes place in Denmark's capital, Copenhagen.
They are variables or unknowns and are used in algebra.
Yes, it is.
In Latin there were letters instead of our kind of numbers: I = 1 V =5 X = 10 L = 50 C = 100 and so on.
T in the metric unit of weight is ton.
The gender of the pronoun 'it' is neuter, a word that takes the place of a noun for a thing that has no gender.The number of the pronoun 'it' is singular, a word that takes the place of a noun for one thing.
variable