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Rafa
RossWell, darling, that plus sign with a line under it is called a "plus-minus sign." It's used in math to show that a number can be either positive or negative. So, if you see that sassy little symbol, just remember it's giving you options - it's like the math world's way of saying "take your pick!"
A plus sign with a line under it typically represents the concept of "average" or "mean" in mathematics. It is used to denote the sum of a set of values divided by the total number of values in the set. This symbol is commonly used in statistics and data analysis to represent the central tendency of a data set.
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What is a symbol in math?
Plus + minus - Times * or X Divide one line and 2 dots over and under the line (almost like a fraction)
Is a number that has a line over it rational?
The line is usually taken to mean that the decimals under the line repeat. And yes, such a number is rational, since it can be converted into a fraction (with whole numerator and denominator).
What does the line under a greater or less sign mean?
The less-than sign alone means "less than"; if there is a line below, it means "less than or equal".
What type of lines match these equations 3x plus 2y -5 -2x plus 3y -5?
If you mean 3x+2y = -5 and -2x+3y = -5 then they are straight line equations
What is the proportion of the total area under the normal curve within plus and minus two standard deviations of the mean?
95
