3. There are 9 dots randomly placed on a circle. How many triangles can be formed within the circle?

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A:

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A:

Q: 05 1 15 2 25 3 3.5 1.5 0.5 -0.5 -1 -1.5 -2 Identify the equation of the surface. Oæ = y? O r = 2 y =…

A:

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A: Least square solution to Ax=0 isWe have

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Q: If n(B) = 24, n(A ∩ B) =5, and n(A ∪ B) = 42, find n(A).

A: