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Old 11-13-2006   #21
Sillysidley

 
Join Date: Oct 2006
Posts: 822
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Quote:
Originally Posted by somedude View Post
1. What is the arithmetic mean, expressed as a common fraction, of the solutions to|10x|-sqrt(10x)=0

2. Triangle ABC is such that AB=8, AC=9, and BC=10 cm. The bisector of the interior angle BAC intersects BC in a point M. What is the length of the segment BM? Give you r answer as a common fraction in lowest term.

These are tricky. I have worked on them for hours, and don't know what they are.

If anyone wants interesting problems tell me. ( I kow the answers to those )
Quote:
Originally Posted by somedude View Post
1. The answer is 1/20, because 10x must be 0, or 1.
will anyone answer #2? The answer to the first is 1/20
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