SOLUTION: If there are 10 points in a number line how many rays can possibly be formed

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Question 1006073: If there are 10 points in a number line how many rays can possibly be formed
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
By definition, a ray has one endpoint and extends indefinitely in one direction.

There are 10 points (assuming distinct), and for each point we can construct 2 possible rays (1 for each direction), for a total of 10*2 = 20 rays.