Solve.In a lottery game run by a certain state, for every game ticket purchased, a player can pick any 4 numbers from 1 through 46. If the numbers match those drawn by the state, the player wins. If Martin buys 3 tickets, what is his probability of winning?
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the differential equation.
= 7x6cos2 y
A. y = x7 + C B. y = tan (x7 + C) C. y = tan-1 (x7 + C) D. y = tan-1 (x6 + C)
Mathematics
Solve the problem.Weights of adult females in a certain country are normally distributed with a mean of 136 lb and a standard deviation of 15 lb. A weight of 115 lb represents what percentile? Round the percentile to the nearest tenth.
A. 9.7 B. -1.4 C. 8.1 D. 2.2
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45
A. 262,144 B. 16,777,216 C. 16,384 D. 1,048,576
Mathematics
A matrix has an inverse if and only if its determinant does not equal 0. Determine whether the given matrix has an inverse.
A. No B. Yes
Mathematics