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The letters in algebra stand for unknown numbers or amounts that you are trying to find out (calculate).
For instance you have 3 things and you want to find out how many you have to add to get 5 things. You call the unknown amount X (or any letter you like) and you use an algebra equation to find the answer. So:
3 + X (the unknown) = 5...and you already know the answer is 2, but when you learn the rules of calculating with algebra, you will be able to find the answers to much more complicated mathematical questions. Basically, you call the unknowns any letter you want, then you make an equation using the numbers you do know, and then you solve the equation.
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Replacing numbers with letters is called?
algebra
What kind of mathematics uses letters instead of numbers?
Algebra makes use of letters and mathematical symbols.
What is the branch of mathematics that uses letters called variables in place of numerals?
Algebra is the branch of mathematics that uses letters called variables in place of numerals. Algebra is an extremely important foundation of every branch of mathematics.
The branch of mathematics that uses letters called variables in place of numerals?
Algebra
A branch of mathematics that use letters to represent numbers called what?
It is algebra that uses letters to represent numbers and also Roman numerals.
What is the letter for the number 1 in Algebra?
The point of using letters in algebra is that they can stand for any number (or a range of numbers that are, as yet, unspecified). There is no specific letter allocated to a number.
What do you use to stand for numbers in algebra?
You use variables to stand for numbers in algebra
What is an area in math where numbers are represented by letters?
That is called "algebra".That is called "algebra".That is called "algebra".That is called "algebra".
How many letters does algebra have?
This is a trick question, isn't it? Algebra has 7 letters--a-l-g-e-b-r-a.
What are the letters in algebra called?
variables
Replacing numbers with letters is called?
algebra
What is hard about algebra?
It has letters instead of numbers.
What does algebra consist of?
Lots of letters and numbers
What has numbers and letters but is never written?
Algebra?
Do Roman numerals have anything to do with algebra?
No, they do not. Although it is using letters to represent numbers, Roman numbers are fixed symbols, unlike letters in algebra which represent variables.
What can represent a variable in algebra?
all the letters in the alphabet are used to represent variables in algebra. also in some advanced mathematics letters from the greek alphabet are used.
Letters together in algebra?
If you have letters together, like xy +2, it means you multiply
