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 Babylonian geometry 2007-06-17 marleen pose la question :The following problem and the solution were found on a Babylonian tablet dating from about 2600BC: Problem:60 is the Circumference, 2 is the perpendicular, find the chord. Solution: Thou double 2 and get 4 Take 4 from 20, thou gettest 16 Square 16, thou gettest 256 Take 256 from 400, thou gettest 144 Whence the square root of 144, 12 is the chord. Such is the procedure. Modern day mathematicians have reasoned that the Babylonian Mathematician who solved this problem assumed that the value of Pi is 3. By explaining in detail how the Babylonian Mathematician must have solved this problem, justify the reasoning of the modern mathematicians.Stephen La Rocque lui répond. Baby weight gain 2007-01-26 Reynaldo pose la question :A baby weighed 3.2 kg at birth. She gained 0.17 kg per week. How old was she when she weighed 5.75 kg?Penny Nom lui répond. A new baby 2004-03-14 Jessica pose la question :I just had a baby 3weeks ago, he is in the hospital and he can come home when he is 1800 grams, well i was wondering how many pounds that is?Penny Nom lui répond. 60 seconds in a minute 2001-10-11 Andy pose la question :I am a fourth grade teacher. Yesterday my students asked "Why are there 60 seconds in a minute?" Which also led to 60 minutes in an hour? I have had trouble determining why the number 60? Any help would be appreciated.Penny Nom lui répond. The side length ratios of some triangles 2000-04-04 Alexis Lockwood pose la question :I am doing a project for my Math 30B class regarding the side length ratios of 45-45-90 degree and 30-60-90 degree triangles. I would really appreciate any assistance in answering the following questions, or even direction to an appropriate web site or resource on the matter.Harley Weston lui répond. Bases other than 10 1999-12-06 Garret Magin pose la question :We are doing a lesson on numbers of other bases than 10. We are working with binary, octal, and Hexadecimal. I was wondering what is used to represent number of different bases other then 16? Does it just continue on with the alphabet and if so what happens when you get to Z. It would be a help if you could answer this because it is really bugging me. And none of the math teachers at my school could let me know. Claude Tardif and Patrick Maidorn lui répond.

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