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Led by Clara Lemlich and the International Ladies' Garment Workers' Union, and supported by the National Women's Trade Union League of America (NWTUL), the strike began in November 1909. In February 1910, the NWTUL settled with the factory owners, gaining improved wages, working conditions, and hours.
The union also became more involved in electoral politics, in part as a result of the Triangle Shirtwaist Factory fire on March 25, 1911, in which 146 shirtwaist makers (most of them young immigrant women) either died in the fire [14] that broke out on the eighth floor of the factory, or jumped to their deaths. Many of these workers were unable ...
Clara Lemlich Shavelson (March 28, 1886 – July 12, 1982) was a leader of the Uprising of 20,000, the massive strike of shirtwaist workers in New York's garment industry in 1909, where she spoke in Yiddish and called for action. [1]
The Bell triangle, whose numbers count the partitions of a set in which a given element is the largest singleton [1] Catalan's triangle, which counts strings of matched parentheses [2] Euler's triangle, which counts permutations with a given number of ascents [3] Floyd's triangle, whose entries are all of the integers in order [4]
Shoelace scheme for determining the area of a polygon with point coordinates (,),..., (,). The shoelace formula, also known as Gauss's area formula and the surveyor's formula, [1] is a mathematical algorithm to determine the area of a simple polygon whose vertices are described by their Cartesian coordinates in the plane. [2]
The n-th centered triangular number, corresponding to n layers plus the center, is given by the formula:, = + (+) = + +. Each centered triangular number has a remainder of 1 when divided by 3, and the quotient (if positive) is the previous regular triangular number.
There is a method to construct all Pythagorean triples that contain a given positive integer x as one of the legs of the right-angled triangle associated with the triple. It means finding all right triangles whose sides have integer measures, with one leg predetermined as a given cathetus. [13] The formulas read as follows.
MediaWiki stores rendered formulas in a cache so that the images of those formulas do not need to be created each time the page is opened by a user. To force the rerendering of all formulas of a page, you must open it with the getter variables action=purge&mathpurge=true. Imagine for example there is a wrong rendered formula in the article ...