Find the expected value.You are given 5 to 1 odds against tossing 2 tails in 2 tosses of a fair coin. This means that you win $5 if you succeed and you lose $1 if you fail. Find the expected value (to you) of the game. Round to the nearest cent.
A. $0.75
B. -$0.50
C. $1.25
D. $0.50
Answer: D
Mathematics
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Use a positive rational exponent to write the expression.
A. 41/5
B. -51/4
C. 51/4
D. 
Mathematics
Solve the problem.How many three-digit codes can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 if the last digit cannot be 0 or 1 and repetition of digits is allowed?
A. 800 B. 504 C. 720 D. 512 E. none of these
Mathematics
Divide.
A. 9223 B. 9224 C. 9221 D. 9222
Mathematics
Find the length of the missing side of the right triangle. Round to three decimal places, if necessary.a = 10, b = 24
A. c = 26 B. c = 25 C. c = 22 D. c = 18
Mathematics