Solve the problem.The number of edges in the complete graph with 100 vertices is

A. 99.
B. 100!.
C. .
D. .
E. none of these


Answer: C

Mathematics

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Write the first four terms of the recursive sequence.a1 = -2, an = n - an - 1  for n ? 2

A. -2, -4, 2, -6 B. -3, 0, -2, 1 C. -2, 4, -1, 5 D. -2, 0, 3, 1

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Find the amount of taxable income and the tax owed for the following people. The letter following the name indicates the marital status and all married people are filing jointly. Use $4050 for each personal exemption; $6300 as the standard deduction for single taxpayers, $12,600 for married taxpayers filing jointly, and $9300 for head of household and the following tax rate schedule.

A. $22,205; $2,905.75 B. $20,268; $2,667.70 C. $17,655; $2,184.50 D. $23,955; $3,220.75

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Solve the problem.Find the measure of each angle in the triangle.

A. 46°, 109°, 25° B. 64°, 96°, 16° C. 46°, 19°, 25° D. 44°, 109°, 25°

Mathematics

Find a bound on the real zeros of the polynomial function.f(x) = 13x3 - x2 + 0.3x - 0.06

A. -13 and 13 B. -1.36 and 1.36 C. -2 and 2 D. -1 and 1

Mathematics