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Convergence articles

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Gun metal of a certain grade is composed of 16% tin and 84% copper. How much tin must be added to 410 lbs. of this gun metal to make a composition of 18% tin?

The author shows how teachers can use Leonhard Euler's original works in the classroom to explore Euler's famous polyhedral formula,
V + F = E + 2.

An erect pole of 10 cubits has its base moved 6 cubits. Determine the new height and the distance the top of the pole is lowered.
Reprint of a classic biography of Gauss, with a new forward by Jeremy Gray.
This meeting will take place at the MAA Carriage House in Washington, DC on April 19, 2008.
A wooden log is encased in a wall. If we cut part of the wall away to a depth of 1 inch...
Given a semicircle, Prove that if O is the circle's center, DO=OE.
A history of attempts to solve cubic and higher degree polynomial equations, including the notions of group theory and their relationship to the idea of symmetry.

The author uses her poem, 'The Enigmatic Number e,' to show how poetry about the history of mathematics can be used to enrich and enliven mathematics instruction.

The radius of a circle is 3.20 meters. Compute to within .001m the areas of the inscribed and circumscribed equilateral triangles.

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