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Only two sets of possible ages add up to the same totals: A. 2 + 6 + 6 = 14 B. 3 + 3 + 8 = 14. In case 'A', there is no 'eldest child': two children are aged six (although one could be a few minutes or around 9 to 12 months older and they still both be 6).
Numbers in mathematical formulae are never spelled out (3 < π < 22 / 7 not three < pi < twenty-two sevenths), and "numbers as numbers" are rarely spelled out in other mathematical contexts (the first three primes are 2, 3, and 5 not the first three primes are two, three, and five; but zero-sum game and roots of unity).
Random variables are usually written in upper case Roman letters, such as or and so on. Random variables, in this context, usually refer to something in words, such as "the height of a subject" for a continuous variable, or "the number of cars in the school car park" for a discrete variable, or "the colour of the next bicycle" for a categorical variable.
In number theory, a polite number is a positive integer that can be written as the sum of two or more consecutive positive integers. A positive integer which is not polite is called impolite . [ 1 ] [ 2 ] The impolite numbers are exactly the powers of two , and the polite numbers are the natural numbers that are not powers of two.
The variable ℓx, which stands for the opposite of dx, represents the number of people who lived between two consecutive age numbers. ℓ of zero is equal to 100,000. The variable Tx stands for the years lived beyond each age number x by all members in the generation. Ėx represents the life expectancy for members already at a specific age ...
[optional in place of period] when the language of the gloss lacks a one-word translation, a phrase may be joined by underscores, e.g., Turkish çık-mak (come_out-INF) "to come out" With some authors, the reverse is also true, for a two-word phrase glossed with a single word. [2] [21] › >, →, :
The health sector holds many of the best job opportunities for workers in 2025, due to factors like high labor demand and pay, according to a new ranking from job search site I… CBS News 19 days ago
But perhaps the most widely discussed periodization scheme of the Middle Ages was the Six Ages of the World, written by the early 5th century AD, [3] where every age was a thousand years counting from Adam to the present, with the present time (in the Middle Ages) being the sixth and final age.