Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.(B ? C) ? A
A. { }
B. {1, 2, 3, 5}
C. {1, 2, 3, 4, 5, 7, 9}
D. {1, 2, 3}
Answer: B
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Rephrase the statement as a conditional proposition with the form "if p, then q."Showing up at the party is sufficient to get a door prize.
A. If you don't show up at the party, then you will not get a door prize. B. If you get a door prize, then you don't have to show up at the party. C. If you show up at the party, then you will get a door prize. D. If you got a door prize, then you showed up at the party.
Solve the problem.An insurance company says that at age 50 one must choose to take $10,000 at age 60, $30,000 at 70, or $50,000 at 80 ($0 death benefit). The probability of living from 50 to 60 is 0.87, from 50 to 70, 0.62, and from 50 to 80, 0.42. Find the expected value at each age.
A. 60: $6200 70: $18,600 80: $21,000 B. 60: $8700 70: $12,600 80: $21,000 C. 60: $8700 70: $26,100 80: $43,500 D. 60: $8700 70: $18,600 80: $21,000
Solve the problem.Ron throws a ball straight up with an initial velocity of 60 feet per second from a height of 3 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the maximum height of the ball?
A. x = 0; y = -16t2 + 60t + 3; 7.599 sec; 1.875 sec; 56.25 feet B. x = 0; y = -16t2 + 60t + 3; 3.699 sec; 1.875 sec; 3.018 feet C. x = 0; y = -16t2 + 60t + 3; 3.799 sec; 1.875 sec; 59.25 feet D. x = 0; y = -16t2 + 60t + 3; 7.399 sec; 1.875 sec; 440.862 feet
Simplify the rational expression.
A. 
B. 
C. 
D. 