Solve the system by the addition method.2x2 + y2 = 66x2 + y2 = 41
A. {(5, 4), (5, -4), (-5, 4), (-5, -4)}
B. {(5, 4), (-5, -4)}
C. {(4, 5), (-4, -5)}
D. {(4, 5), (-4, 5), (4, -5), (-4, -5)}
Answer: A
Mathematics
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Add or subtract. +
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B.
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D.
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Solve the problem.If three cards are drawn without replacement from an ordinary deck, find the probability that the third card is a heart, given that the first two cards were hearts.
A.
B.
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