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A math expression is a symbol or combination of symbols that represents a quantity or a relationship between quantities.
it's the symbol for infinity
You add and then solve the math
If you mean the symbol of a triangle, in math and science a triangle stands for change in
In math, the slope of a line represents its steepness. It is the change in y values over the change in the values of x, or rise over run.
In mathematics, a variable is a symbol that represents a quantity that can change or vary in a given problem or equation. Variables can be used to denote unknown values or to represent values that depend on other factors. They are commonly denoted by letters such as x, y, or z.
A math expression is a symbol or combination of symbols that represents a quantity or a relationship between quantities.
it's the symbol for infinity
three dots represents the therefore symbol
Nobody 'invented' it... letters are often used in maths to signify an unknown quantity.
If you are talking about math then its usually " x " but if that is already use in the expression and you want to use another symbol to represent a DIFFERENT number then you can use y or a or so on.
A symbol, usually a letter, that is used to represent 1 or more numbers
In math, a variable is a symbol used to represent a value that can change or vary in a mathematical expression or equation. Variables typically are represented by letters such as x, y, or z and can be manipulated to solve problems or evaluate expressions.
The symbol 'u' is often used in place of the prefix 'micro-' in math and physics.AnswerThe symbol U is used to represent voltage. In this context, a lower-case 'u' represents an instantaneous AC voltage. In thermodynamics, it is used to represent internal energy.
If you mean the letter x, then it represents an unknown quantity in an equation. If you mean the multiplication symbol, then it represents... well... the operation of multiplication. If it's kind of a weird, script-looking x, it might be a Greek chi, which is used in statistics to represent a particular metric for determining how well a given curve fits a set of data points.
You add and then solve the math
If you mean a variable then it is an unknown quantity that can represent many values until its specific value is determined usually by solving an equation.