tailieunhanh - Sat math essentials_10

Tham khảo tài liệu 'sat math essentials_10', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | PRACTICE TEST 3 16. If the lengths of the edges of a cube are decreased by 20 the surface area of the cube will decrease by a. 20 . b. 36 . c. 40 . d. 51 . e. 120 . 17. Simon plays a video game four times. His game scores are 18 points 27 points 12 points and 15 points. How many points must Simon score in his fifth game in order for the mean median and mode of the five games to equal each other a. 12 points b. 15 points c. 18 points d. 21 points e. 27 points 18. If g2 16 then g 5- 1 a. 4. b. 8 16 c. 5 . d. 4. e. 8. 19. In the diagram above triangle ABC is a right triangle and the diameter of circle O is 3 the length of AB. Which of the following is equal to the shaded area a. 20n square units b. 24 - 4n square units c. 24 - 16n square units d. 48 - 4n square units e. 48 - 16n square units 229 ----------------------------------------- PRACTICE TEST 3 ------------------------------------------------ 20. In a restaurant the ratio of four-person booths to two-person booths is 3 5. If 154 people can be seated in the restaurant how many two-person booths are in the restaurant a. 14 b. 21 c. 35 d. 57 e. 70 Section 2 1. Ify -X3 3x - 3 what is the value ofy when X -3 a. -35 b. -21 c. 15 d. 18 e. 33 2. What is the tenth term of the sequence 5 15 45 135 . a. 510 b. 3 c. 5 X 3 9 d. 5 X 39 e. 5 X 310 3. Wendy tutors math students after school every day for five days. Each day she tutors twice as many students as she tutored the previous day. If she tutors t students the first day what is the average arithmetic mean number of students she tutors each day over the course of the week a. t b. 5t c. 6t a Ể. d. 5 31t e. 5 4. A pair of Jump sneakers costs 60 and a pair of Speed sneakers costs 45. For the two pairs of sneakers to be the same price a. the price of a pair of Jump sneakers must decrease by 15 . b. the price of a pair of Speed sneakers must increase by 15 . c. the price of a pair of Jump sneakers must decrease by 25 . d. the price of a pair of Speed sneakers must increase