If a problem begins with “There are 200 people at a dance . . .”, an approach to solving the problem may be
(a) Draw a Picture.
(b) Guess and Test.
(c) Solve a Simpler Problem.
(d) Deductive reasoning.
(e) None of these is a good approach.
(c) Solve a Simpler Problem.
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Provide an appropriate response. Write the equation in standard order and identify the values that represent a, b, and c: 2x2 = Bx + r2
A. 2x2 - Bx - r2 = 0; a = 2, b = 1, c = - r2 B. 2x2 - Bx - r2 ; a = 2, b = B, c = - r2 C. 2x2 - Bx - r2 = 0; a = 2x2, b = Bx, c = - r2 D. 2x2 - Bx - r2 = 0; a = 2, b = -B, c = - r2
Provide an appropriate response.Evaluate: 5-2
A. -10 B. -25 C. 0.04 D. 0.1
Write using exponential notation.19 ? 19 ? 19 ? 19
A. 4 ? 19 B. 419 C. 194 D. 191
Find the indicated probability.Among the contestants in a competition are 45 women and 26 men. If 5 winners are randomly selected, what is the probability that they are all men?
A. 0.00505 B. 0.05384 C. 0.06439 D. 0.10228