Mathematics, 23.12.2019 19:31 aime005
Probability played a role in the rigging of the april 24, 1980, pennsylvania state lottery (los angeles times, september 8, 1980). to determine each digit of the three-digit winning number, each of the numbers 0, 1, 2, . . , 9 is placed on a ping-pong ball, the ten balls are blown into a compartment, and the number selected for the digit is the one on the ball that floats to the top of the machine. to alter the odds, the conspirators injected a liquid into all balls used in the game except those numbered 4 and 6, making it almost certain that the lighter balls would be selected and determine the digits in the winning number. then they bought lottery tickets bearing the potential winning numbers. how many potential winning numbers were there (666 was the eventual winner)?
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Mathematics, 21.06.2019 19:00, SakChan8367
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Mathematics, 21.06.2019 20:30, nosugh
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.
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Probability played a role in the rigging of the april 24, 1980, pennsylvania state lottery (los ange...
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