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The word "variable" represents an unknown number.
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∙ 11y ago
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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.
Why do we use fractions?
the wat to represent quanites that we cant represent with whole numbers.
What is useful to decide when to use numerals or words to represent numbers in a sentence?
If the number is below ten, then you would use words to represent the numbers, when they are above ten, you use the number (:
What is it called when you use symbols to represent numbers?
Algebra.
What is done to a variable represent an unknown quanity?
A variable is assigned to represent an unknown quantity.
What Expressions that use a letter to represent and unknown quantity?
An algebraic expression uses a letter to represent an unknown quantity.
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.
Why do you use negative numbers in Math?
You use negative numbers to represent subtractions (10-5 is same as 10 + -5) Also, you use these to represent things that can be negative.
Why do we use fractions?
the wat to represent quanites that we cant represent with whole numbers.
What is useful to decide when to use numerals or words to represent numbers in a sentence?
If the number is below ten, then you would use words to represent the numbers, when they are above ten, you use the number (:
What is it called when you use symbols to represent numbers?
Algebra.
What is done to a variable represent an unknown quanity?
A variable is assigned to represent an unknown quantity.
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.
Solve a number increased by nine is fifteen?
Let x represent the unknown number and use the known numbers to solve. Set up the equation: x + 9 = 15 (subtract 9 from each side to solve for the unknown number) x = 6
The branch of mathemematics that nuses letter called variables in places of numerals?
Algebra uses letters to represent unknown numbers.
To use numerals or words to represent numbers in a sentence?
stylebook
How are variable expressions used to represent a quantity?
They are used to represent known and unknown values in equations. Usually x, y, and z are unknown; and a, b, and c are known. But u can use anything to represent anything! It helps to solve for unknowns that you need to figure out!
