Mathematics, 08.11.2019 12:31, chloesmolinski0909

# If all of the diagonals are drawn from a vertex of an n-gon, how many triangles...

If all of the diagonals are drawn from a vertex of an n-gon, how many triangles are formed?

n - 2

n - 1

n

n + 1

n - 2

n - 1

n

n + 1

Answers: 1

Mathematics, 21.06.2019 18:30, leobaut6145

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Answers: 1

Mathematics, 21.06.2019 21:30, fara26

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer

Answers: 1

If all of the diagonals are drawn from a vertex of an n-gon, how many triangles are formed?

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