Mathematics, 21.04.2020 04:45 24jgrove
In Las Vegas $1 slot machines average a 95% payout; in other words, the expected value of a $1 bet is $0.95. Given that the machines’ outcomes are random, which of these is true?
A) A gambler who spends $100 will win $95 back.
B) If a gambler plays long enough, he’ll get all but 5% of his money back.
C) There is a 95% chance that a gambler will lose money.
D) In the long run, the casinos’ profits should be about 5% of what the gamblers bet. E) A gambler who has lost many times in a row is more likely to win on the next bet.
Answers: 2
Mathematics, 21.06.2019 17:30
What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2
Answers: 2
Mathematics, 21.06.2019 20:30
If m∠abc = 70°, what is m∠abd? justify your reasoning. using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°. using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°. using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality. using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.
Answers: 2
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