# Convergence articles

Displaying 71 - 80 of 651

I found a stone but did not weigh it; after I added to it 1/7 of its weight and then 1/11 of this new weight, I weighed the total at 1 mina. What was the weight of the stone?
A wooden beam is stood vertically against a wall. The length of the beam is 30 units.
Given a door and a measuring rod of unknown dimensions, the rod is used to measure the door.
In a right triangle, the hypotenuse is 9.434 and the sum of the sides around the right angle is 13. Find the lengths of the sides around the right angle.
The authors recount the 'great tale' of Napier's and Burgi's parallel development of logarithms and urge you to use it in class.
When knowing the sum of their ages along with another equation, determine how old a father and son are.
The paperback reprint of this large collection of articles by experts on all aspects of the history and philosophy of mathematics.
In the figure at the left, if the radii of each inscribed circle is 1, what are the dimensions of the bounding rectangle?
I owe a man the following notes: one of $800 due May 16; one of$660 due on July 1; one of $940 due Sept. 29. He wishes to exchange them for two notes of$1200 each and wants one to fall due June 1. When should the other be due?
A fish sees a heron looking at him from across a pool, so he quickly swims towards the south. When he reaches the south side of the pool, he has the unwelcome surprise of meeting the heron.