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17 min temu · The elevation of the ladder forms an angle of 75.5° with the ground. The height at which the ladder touches the wall can be found using the Pythagorean Theorem: a2 +b2 b2 b2 b2 b = (4a)2 = (4a)2 −a2 = 16a2 −a2 = 15a2 = a 15−−√. Thus, the ladder touches the wall at a 15−−√ feet from the ground. Media.
1 dzień temu · Arithmetic is the fundamental branch of mathematics that studies numbers and their operations. In particular, it deals with numerical calculations using the arithmetic operations of addition, subtraction, multiplication, and division. In a wider sense, it also includes exponentiation, extraction of roots, and logarithm. The term "arithmetic" has its root in the Latin term "arithmetica" which ...
14 min temu · An approximate equation for the longitudinal stress can be formulated starting from the exact expression σ long = p (Af/Am) and making the flow area A f ≅ 1/4 (π D 2) and the cross-sectional area A m ≅ π D.t. The approximate new expression is s long = p (D / 4t) which is extensively used in pipeline engineering; it is endorsed by many codes.
1 dzień temu · One half is a rational number that lies midway between nil and unity (which are the elementary additive and multiplicative identities) as the quotient of the first two non-zero integers, .It has two different decimal representations in base ten, the familiar and the recurring ¯, with a similar pair of expansions in any even base; while in odd bases, one half has no terminating representation ...
1 dzień temu · Spacetime algebra. In mathematical physics, spacetime algebra ( STA) is the application of Clifford algebra Cl 1,3 ( R ), or equivalently the geometric algebra G ( M 4) to physics. Spacetime algebra provides a "unified, coordinate-free formulation for all of relativistic physics, including the Dirac equation, Maxwell equation and General ...
1 dzień temu · Aligarh Movement. Sir Syed Ahmad Khan KCSI, FRAS (17 October 1817 – 27 March 1898), also spelled Sayyid Ahmad Khan, was an South Asian Muslim reformer, [1] [2] [3] philosopher, and educationist [4] in nineteenth-century British India. [5] [6] Though initially espousing Hindu–Muslim unity, he later became the pioneer of Muslim nationalism in ...
