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A 4/5 b 3/5 c 3/10 d 1/5 e 1/10 answer 2 q7 if x(x

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Unformatted text preview: A. 4/5 B. 3/5 C. 3/10 D. 1/5 E. 1/10 Answer: 2------------------------------------------------------------------------------------------------------------ Q7: If x(x - 5)(x + 2) = 0, is x negative? (1) x 2 – 7x ≠ 0 (2) x 2 –2x –15 ≠ 0 A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. D. EACH statement ALONE is sufficient. E. Statements (1) and (2) TOGETHER are NOT sufficient. Answer: ------------------------------------------------------------------------------------------------------------ Q8: Q R 30° P S In parallelogram PQRS shown, if PQ = 4 and QR = 6, what is the area of PQRS ? A. 8 B. 12 C. 24 D. 8√3 E. 12√3 Answer: ------------------------------------------------------------------------------------------------------------ Q9: A certain farmer pays $30 per acre per month to rent farmland. How much does the farmer pay per month to rent a rectangular plot of farmland that is 360 feet by 605 feet? (43,560 square feet = 1 acre) A. $5,330 B. $3,630 C. $1,350 D. $360 E. $150 Answer: ------------------------------------------------------------------------------------------------------------ 3 Q10: When 200 gallons of oil were removed from a tank, the volume of oil left in the tank was 3/7 of the tank’s capacity. What was the tank’s capacity? (1)Before the 200 gallons were removed, the volume of oil in the tank was 1/2 of the tank’s capacity. (2)After the 200 gallons were removed, the volume of oil left in the tank was 1,600 gallons less than the tank’s capacity. A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. D. EACH statement ALONE is sufficient. E. Statements (1) and (2) TOGETHER are NOT sufficient. Answer: ------------------------------------------------------------------------------------------------------------ Q11: On Saturday morning, Malachi will begin a camping vacation and he will return home at the end of the first day on which it rains. If on the first three days of the vacation the probability of rain on each day is 0.2, what is the probability that Malachi will return home at the end of the day on the following Monday? A. 0.008 B. 0.128 C. 0.488 D. 0.512 E. 0.640 Answer: ------------------------------------------------------------------------------------------------------------ Q12: If x and y are integers and x > 0, is y > 0? (1) 7x – 2y > 0 (2) -y < x A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient....
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A 4/5 B 3/5 C 3/10 D 1/5 E 1/10 Answer 2 Q7 If x(x 5(x 2 =...

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