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OpenStudy (anonymous):
The number of lines formed by 4 points, no three of which are collinear, is ____. A.5 B.4 C.6 D.3
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OpenStudy (anonymous):
Use the formula \[\frac{n(n-1)}{2}\]Which is the total number of connections between n points. So:\[\frac{4(3)}{2}=6\]
OpenStudy (anonymous):
12/2=6
OpenStudy (anonymous):
Yep.
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