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Convergence articles

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Find the two numbers such that multiplying one by the other makes 8 and the sum of their squares is 27
If an equilateral triangle whose area is equal to 10,000 square feet be surrounded by a walk of uniform width, and equal to the area of the inscribed circle, what is the width of the walk?
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 castle has n rooms each of which has 7 samurai in it.
A historically minded textbook designed to teach real analysis by considering some of the problems faced by 19th century mathematicians.

A study of the solution of quartic equations in Cardano's Ars Magna and in the work of Euler and Descartes.

When knowing the sum of their ages along with another equation, determine how old a father and son are.
Suppose a lighthouse is built on the top of a rock; the distance between a place of observation and that part of the rock level with the eye is 620 yds.
IOU
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 study of the rise of English algebra from the Medieval period to the end of the seventeenth century.

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