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The sum of two numbers is 10 and their product is 40. What are the numbers?
A lady has two silver cups, and only one cover for both. The first cup weighs 16 oz, and when it is covered it weighs 3 times as much as the second cup; but when the second cup is covered, it weighs 4 times as much as the first.
A number is required; that the square shall be equal to twice the cube.
In this fascinating and accessible book, the author devotes one lively, informative page of description and one striking, full-page illustration to each of 250 milestones in mathematics.
A collection of articles on using the history of mathematics of the past 200 years in the undergraduate classroom.
A five-volume set of biographies of mathematicians from ancient times to the twentieth century, aimed at secondary students.
Given a pendulum as shown. The height of the pendulum is two units and its horizontal width is 2 units. What is the area of the pendulum?
There is a fish whose body weighs 8oz. Tell me how much the whole fish weighs?
Given a triangular piece of land having two sides 10 yards in length and its base 12 yards, what is the largest square that can be constructed within this piece of land so that one of its sides lies along the base of the triangle?
A gentleman has bought a rectangular piece of land whose perimeter is to be 100 rods; and he is to pay 1 dollar for each rod in the length of the land and 3 dollars for each rod in the breath of the land.