en.wikipedia.org/wiki/20_(number)

20 (twenty) is the natural number following 19 and preceding 21. A group of twenty units may also be referred to as a score. Contents. 1 In mathematics; 2 In science. 2.1 Biology. 3 As an indefinite ... Greek numeral, Κ´. Roman numeral, XX .

www.quora.com/What-is-x-in-x-x-1-1-x-1

Jun 20, 2018 ... Insert 1 in all x places and your denominators end up becoming 0, which is not possible and thus Undefined is your answer.( Quote this only if they ask you to or  ...

english.stackexchange.com/questions/96066/xx-inch-round-radius-or-diameter

... round" would be assumed to be a sticker that is 0.65 inches across. This is generally true of buttons, sequins, and other such small sundries.

www.urbandictionary.com/define.php?term=x

Similar to 'Xs and Os' (kisses and hugs) in North America, however 'X' can be and is ... 1. "...w X y and z...now you know you abcs!" 2. "To Romans, XXX = 30.

www.khanacademy.org/math/ap-calculus-ab/ab-integration-new/ab-6-8b/v/antiderivative-of-x-1

In differential ​calculus we learned that the derivative of ln(x) is 1/x. Integration goes the ... ln(x) is undefined! The solution is quite simple: the antiderivative of 1/ x is ln(|x|). ... So this right over here is 1/x x is greater than 0. So this is 1/x when x  ...

www.urbandictionary.com/define.php?term=xx

Mel: hi do i know u... Tom: HOW ARE U ! Mel: Im ok soz g2g bye xx (Mel signs out , or blocks tom) Tom (to other friend) HIIII MAN MEL JUST SAID "xx" TO ME!

www.khanacademy.org/math/ap-calculus-ab/ab-limits-new/ab-1-8/v/sinx-over-x-as-x-approaches-0

Showing that the limit of sin(x)/x as x approaches 0 is equal to 1. If you find this fact confusing, you've reached the right place!

www.isna.org/faq/frequency

How small does a penis have to be before it counts as intersex? ... in terms of genitalia that a specialist in sex differentiation is called in, the number comes out to about 1 in 1500 to 1 in 2000 births. ... Not XX and not XY, one in 1,666 births.

www.mathsisfun.com/algebra/exponent-fractional.html

The exponent of a number says how many times to use the number in a multiplication. So what does a ... Example: x2x2 = (xx)(xx) = xxxx = x4. Which shows that x2x2 ... That is really saying to do a cube (3) and a square root (1/2), in any order.