Convergence articles

Displaying 301 - 310 of 724

Filter by subject

Images from Frans van Schooten's 1659 edition of The Geometry of Rene Descartes

Now there are six-headed four-legged animals and four-headed two-legged birds. Find the total number of animals and birds.

Maximization

Find the greatest value of y in a given equation.

Crown of Metal

Make a crown of gold, copper, tin, and iron weighing 60 minae: gold and copper shall be 2/3 of it; gold and tin, 3/4 of it; and gold and iron, 3/5 of it. Find the required weights of gold, copper, tin, and iron.

Three Piles of Rice

Now a pile of rice is against a wall with a base circumference 60 chi and an altitude of 12 chi.

Four Integers

Given four integers which, if added together three at a time, their sums are: 20, 22, 24, and 27. What are the integers?

Money Changers

Two men have a certain amount of money. The first says to the second, "If you give me 5 denari, I will have 7 times what you have left."

Sum of a Series

What is the sum of the following series, carried to infinity: 11, 11/7, 11/49, etc.?

Combining Strands of Many Colors: Episodes from Medieval Islam for the Mathematics Classroom

The author presents five modules based on mathematics from medieval Islamic cultures for use in a variety of high school and college mathematics courses.

A Grinding Stone

Seven men held equal shares in a grinding stone 5 feet in diameter. What part of the diameter should each grind away?