Use a tree diagram to solve the problem. There are 3 balls in a hat; one with the number 2 on it, one with the number 5 on it, and one with the number 7 on it. You pick a ball from the hat at random and then you flip a coin to get heads (H) or tails (T). Use a tree diagram to list all the possible outcomes.
A. 2 H, 5 H, 7 H
B. 2 H T, 5 H T, 7 H T
C. 2 5 7 H, 2 5 7 T
D. 2 H, 2 T, 5 H, 5 T, 7 H, 7 T
Answer: D
Mathematics
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Find the instantaneous rate of change of distance with respect to velocity when the speed is 43 mph.
A. 4.3 mph B. 5.3 mph C. 44 mph D. 10.6 mph
Mathematics
Solve the equation by factoring.x2 - 3x - 40 = 0
A. {8, - 5} B. {-40, 0} C. {-8, 5} D. {-8, - 5}
Mathematics
Solve the system graphically. Do not use a calculator.
A. {(-2, 5)} B. {(-5, -2)} C. {(2, 5)} D. {(5, -2)}
Mathematics
Determine whether the sequence is geometric.2, -2, 2, -2, 2, . . .
A. Geometric B. Not geometric
Mathematics