TAILIEUCHUNG - Barron's How to Prepare for the SAT 23rd Edition (2008) _02

Tham khảo tài liệu 'barron's how to prepare for the sat 23rd edition (2008) _02', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Answer Explanations 81 13. 28 Whether or not you can visualize or draw the second large square you can calculate its area. The area of each of the four triangles is 2 3 4 6 for a total of 24 and the area of the 5 X 5 square is 25. Then the area of the large square is 24 25 49. Each side of the square is 7 and the perimeter is 28. 43 3 4 5 5 55 4 3 34 14. i-1-i 3 - 4 A- -A- 1 32 1 11 11 23 1 24 1 1 X 1 16 32 32. 15. Ii 3 a 2 aL1 2a 1 11 1 2a 1 - T X 2 a 4 2a 1 2 4 1 J 24 25 1 1 2 a 4 2 a 1 11 23 8. 16. 19 There are at most 14 blank cards so at least 86 of the 100 cards have one or both of the letters A and C on them. If x is the number of cards with both letters on them then 75 30 - x 86 x 105 - 86 19. This is illustrated in the Venn diagram below. 17. 8190 There are 26 X 26 X 9 6084 PIC s with two letters and one digit and there are 26 X 9 X 9 2106 PIC s with one letter and two digits for a total of 6084 2106 8190. i3 18. or .375 If the diameter of the small white 18 circle is d then the diameter of the large white circle is 3d and the diameter of the largest circle is d 3d 4d. Then the ratio of the diameters and hence of the radii of the three circles is 4 3 1. Assume the radii are 4 3 and 1. Then the areas of the circles are 16n 9n and n. The sum of the areas of the white circles is 10n the shaded region is 16n - 10n 6n and -6 3. 16n 8 Section 8 Critical Reading 1. A. Voles are similar to mice however they are also different from them and so may be distinguished from them. Note how the use of although in the opening phrase sets up the basic contrast here. Contrast Signal 2. C. Because Dr. Drew s method proved effective it became a model for other systems. Remember to watch for signal words that link one part of the sentence to another. The structure signals cause and effect. Cause and Effect Signal 3. B. The fact that the languages of the Mediterranean area were markedly strikingly alike eased or facilitated the movement of people and ideas from country .

• TOEFL - IELTS - TOEIC
• uyện dịch anh văn
• tài liệu học anh văn
• tiếng anh giao tiếp
• từ vựng tiếng anh
• Tiếng anh đàm thoại
• giáo trình anh văn