6 items are filed under this topic.
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    Three circles | 
  2007-09-29 | 
  
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  From Kevin: 3 given circles of R80, R56 & R24 are all in contact. The 2 smaller ones are inscribed in the big one.
Find by calculation or graphically (both if possible) the radiusof a 3rd circle which will be in contact with all 3 given circles. Answered by Chris Fisher. | 
  
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    Who was the mathematician that united algebra and geometry? | 
  2007-05-08 | 
  
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  From Victor: who was the mathematician that united algebra and geometry Answered by Penny Nom. | 
  
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    Counterclockwise | 
  2001-09-14 | 
  
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  From Rolanda: When Descartes invented the coordinate system he decided to number them counter-clockwise. Why? Answered by Chris Fisher. | 
  
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    Uniting algebra and geometry | 
  2000-04-16 | 
  
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  From Beth: Who is the  mathmatician that united algebra and geometry??? Answered by Claude Tardif. | 
  
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    All the roots of x^6 - 64 | 
  2000-04-15 | 
  
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  From Dakota: Find ALL zeros of P(x) = x 6 - 64 Answered by Walter Whiteley. | 
  
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    Cos(x) Cos(2x) Cos(4x)=1/8 | 
  1997-09-24 | 
  
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  From Tan Wang: How many distinct acute angles x are there for which cosx cos2x cos4x=1/8?  Answered by Chris Fisher  Harley Weston and Haragauri Gupta. | 
  
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