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Q: What is letters used for unknown numbers?
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What is a branch of mathemativs where unknown numbers can be representer by letters?

ALGERBRA


In arithmetic variables look like what?

In arithmetic, letters used to represent unknown numbers are called variables. Variables are usually represented by letters (x, y, z) or (a, b, c), or may be followed by subscript numbers or letters. If you are here for apex the answer is boxes


In arithmetic variables look like .?

In arithmetic, letters used to represent unknown numbers are called variables. Variables are usually represented by letters (x, y, z) or (a, b, c), or may be followed by subscript numbers or letters. If you are here for apex the answer is boxes


What is branch of mathematics where unknown numbers can be represented by letters?

algebra? The unknown numbers of which you speak are called variables. "algebra" oxford dictionary definition = investigation of properties of numbers using letters etc as general symbolsAll branches of mathematics have the opportunity to utilize letters instead of numbers. This is called a variable and they are found in every branch of mathematics.


A letter that is used in place of a number?

Roman numerals use letters in place of numbers. An unknown variable in algebra uses a letter instead of a number.


What do variables look like in arithmetic?

In arithmetic, letters used to represent unknown numbers are called variables. Variables are usually represented by letters (x, y, z) or (a, b, c), or may be followed by subscript numbers or letters. If you are here for apex the answer is boxes


Who used letters instead of numbers?

The Romans did but these letters or numerals represented numbers.


What does formula mean in maths?

A formula is math sentence where you substitute numbers for letters and solve to get an unknown value.


Why do letters equal numbers on your TI 83?

The letters are used for programming Or for entering numbers in hexadecimal notation


Do the lookup tables in excel not find letters only numbers?

They can be used to search for both letters and numbers.


What does the letter a mean in math?

In algebra, letters like a, b, x, y, all represent numbers. We use letters like this when we have an unknown number.


How do you convert letters to numbers?

There are many different systems of using numbers to represent letters. Binary is commonly used.