+ is the symbol
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A variable is a symbol that represents an unknown or changeable number, typically a letter such as x, y, and z.
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In Roman numerals, the symbol "V" represents the number 5.
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AND in Boolean algebra is represented by a dot, like multiplication. It can also be represented with parenthesis. "(A OR B) AND C" can be written as (A + B)C AND can also be represented with variables next to each other, just like in algebra: "A AND B" can be written as AB
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What is a Variable in Math?A variable in math is part of algebra and it is a symbol or letter that represents a number.
A variable is a symbol that represents an unknown or changeable number, typically a letter such as x, y, and z.
Pie is a symbol that represents a number (3.14159...). Pie algebra is when the number Pie is used in algebra like the ccircumference of a circle. A circumference of a circle is worked out by Pie algebra: DxPie (diameter x Pie). Its a bit complicated to explain but...
A rectangle represents any process, function, or action and is the most frequently used symbol in flowcharting
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Answer£ $ € -- Very valuable! Answer:Assuming the question was about valves there are various symbols for different valve types. (See Link) . Most incorporate intersecting arrowheads (-|>
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The symbol that represents forever is the Infinity symbol. The infinity symbol looks like the number 8 laying on its side.