(x%2)≠0 what does this mean - i dont understand the symbols

this is the whole example - i am trying to teach my self sets : (

example 2 − the set {1,3,5,7,9} is written as

b={x : 1≤ x < 10 and (x%2)≠0} < - means : x is 1 and less than 10

% is used in a lot of programming languages as the modulo operator.



which is to say, the remainder upon dividing by is .

When you divide any integer by 2, you can get either a remainder of 0 or 1. So in your example, refers to all numbers between 1 and 9 that are not perfectly divisible by 2. In other words, refers to those that are odd. (This assumes is a subset of the integers.)

The distance from point a to point c across the coordinate plane is aproxamatly 8.94 rounded to the nearest hundredth. you use a^2 + b^2 =c^2

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