Find the probability of flipping a coin four times, using a tree diagram, and getting at least two tails.
?
A.
B.
?
C.
?
D.
?
E.
? Cannot be determined without conducting an experiment.
Answer: C
Mathematics
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Evaluate the improper integral or state that it is divergent.
A. 0.3333 B. -4.667 C. -2.3333 D. Divergent
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Find all solutions to the equation. Express the solution in degrees.tan x = -1
A. 315° + 360°n B. 135° + 360°n C. 225° + 180°n D. 135° + 180°n
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Convert to Celsius. Use the formula C = 
(F - 32) or C = 
. Round your answer to the nearest tenth if necessary.149°F
A. 91°C B. 65°C C. 50.8°C D. 300.2°C
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Graph the equation.y = 
A. 
B. 
C. 
D. 
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