Solve the problem.Suppose a charitable organization decides to raise money by raffling a trip worth $500. If 3000 tickets are sold at $1.00 each, find the expected value of winning for a person who buys 1 ticket.
A. -$.81
B. -$.83
C. -$1.00
D. -$.85
Answer: B
Mathematics
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Factor the sum or difference of cubes.
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A.
B.
C.
D.
E.
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If r(t) = 7i+3t cos ?tj+4 sin ?tk, evaluate r(t)dt.
What will be an ideal response?
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Solve the problem.A baseball team won 4 of its games by 3 runs, lost 1 of its games by 5 runs, lost 1 game by 6 runs, and finished the season by winning its last 2 games by 4 runs. Express as a real number, how many more or fewer runs the did the team score versus their opponents in the 8 games.
A. 4 runs B. 9 runs C. -4 runs D. 21 runs
Mathematics
Check whether the set and the operation form a group. ? ? for × ?
A. no B. yes
Mathematics