Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Add and, if possible, simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A comet follows the hyperbolic path described by 
- 
= 1, where x and y are in millions. If the sun is the focus of the path, how close to the sun is the vertex of the path? 
A. 6.2 million B. 39 million C. 1.3 million D. 4.9 million
Mathematics
Graph the function.y = -3 cos 
+ 2
A. 
B. 
C. 
D. 
Mathematics
A dart is thrown randomly and sticks on the circular dart board shown. Assume that all sectors are the same size and that the dart does not land on a border between shaded areas.
Find the probability that the dart lands on sector number 5 or sector number 9.
A. 
B. 
C. 
D. 
Mathematics