Find the unknowns on the right side of the partial fraction decomposition.
= 
+ 
A. A = - 
, B = 
B. A = - 
, B = 
C. A = 
, B = - 
D. A = 
, B = - 
Answer: C
Mathematics
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Find the probability. Round to the nearest ten-thousandth when necessary.A coin is biased to show 45% heads and 55% tails. The coin is tossed twice. What is the probability that the coin turns up heads once and tails once?
A. 0.45 B. 0.495 C. 0.55 D. 0.2475
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Determine whether the expression is a polynomial.
A. Yes B. No
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Multiply.(x2 + 7)2
A. x4 + 7x2 + 49 B. x4 + 49 C. x4 + 7x + 49 D. x4 + 14x2 + 49
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For the set of numbers, find the mean, median, and any mode that exist. 91, 88, 86, 85, 94, 90
A. mean: 89, median: 85, mode: 94 B. mean: 90, median: 85, mode: 94 C. mean: 89, median: 89, mode: no mode D. mean: 88, median: 89, mode: no mode
Mathematics