The gre quatitative section 9 doc

... of the lengths of the base and the altitude, and cannot be determined using only the values of the sides without more information. 21. c. Let x ϭ the first of the integers. Then: sum ϭ x ϩ x ϩ ... 0.0625 19. b. The fraction in column A has a denominator with a negative value, which will make the entire frac- tion negative. 20. d. The area of a triangle is one-half the pr...

Ngày tải lên: 07/08/2014, 13:21

... edge width length height h b 1 b 2 d s s s s – THE GRE QUANTITATIVE SECTION 197 AREA Area is the space inside of the lines defining the shape. You will need to know how to find the area of several geometric shapes and figures. The formulas ... rectangle, use the formula A = lw. ■ To find the area of a square, use the formula A = s 2 or A = ᎏ 1 2 ᎏ d 2 . w l h b r h b = Ar...

Ngày tải lên: 07/08/2014, 13:21

... following: a. The quantity in column A is greater. b. The quantity in column B is greater. c. The two main quantities are equal. d. There is not enough information given to determine the relationship of the ... = 18 – THE GRE QUANTITATIVE SECTION 215  Practice Directions: In each of the questions 1–40, compare the two quantities given. Select the appropriate choice for...

Ngày tải lên: 07/08/2014, 13:21

... ° l m – THE GRE QUANTITATIVE SECTION 224 e. 3:2 48. Which of the following can be inferred from the graphs? I. Interest rates were static in the 198 0– 198 3 period. II. The greatest increase in the ... 46–50 refer to the following chart and graph. 46. How many thousands of regular depositors did the bank have in 198 0? a. 70 b. 85 c. 95 d. 100 e. 95 0 47. In 197 9, wha...

Ngày tải lên: 07/08/2014, 13:21

... compare the two quantities and choose whether (A) The quantity in Column A is greater. (B) The quantity in Column B is greater. (C) The quantities are equal. (D) The relationship between the two ... a discount for $65. What is the rate of the discount? Give your answer to the nearest tenth of a percent. % Enter your answer in the box. 17. If x M y = x(x 2 y), then (21 M 22...

Ngày tải lên: 24/12/2013, 19:15

... as the arc it forms. LENGTH OF ARC To find the length of an arc, multiply the circumference of the circle, 2πr,where r ϭ the radius of the circle, by the fraction ᎏ 36 x 0 ᎏ ,where x is the degree ... region contained within the interior of a central angle and arc. A B C shaded region = sector r x r o – THE GRE QUANTITATIVE SECTION 190 – THE GRE QUANTITATIVE SEC...

Ngày tải lên: 07/08/2014, 13:21

... larger the standard deviation, the larger the dispersion. x 6 7 7 9 15 16 x Ϫ 10 Ϫ4 Ϫ3 Ϫ3 Ϫ1 5 6 (x Ϫ 10) 2 16 9 9 1 25 36 96 STANDARD DEVIATION = Ί ¯¯¯ 96 6 = 4 In the first column, the mean ... occurs the greatest number of times. Example: For the number set 1, 2, 5, 3, 4, 2, 3, 6, 3, 7, the number 3 is the mode because it occurs the most num- ber of times. –...

Ngày tải lên: 07/08/2014, 13:21

... California 199 0– 199 5 New York California KEY 0 10 20 30 40 50 60 70 80 90 199 1 199 2 199 3 199 4 199 5 Money Spent on New Road Work in Millions of Dollars Year 25% 40% 35% – THE GRE QUANTITATIVE SECTION 207 40% ... compared, the larger the standard deviation, the larger the dispersion. x 6 7 7 9 15 16 x Ϫ 10 Ϫ4 Ϫ3 Ϫ3 Ϫ1 5 6 (x Ϫ 10) 2 16 9 9 1 25 36 96 STANDARD D...

Ngày tải lên: 07/08/2014, 13:21

... – x 1 ᎏ 20. The perimeter of triangle ABC ϭ the perimeter of triangle DEF. area of triangle ABC area of triangle DEF 21. The sum of five consecutive integers is 35. the value of the greatest 9 of these ... THE GRE QUANTITATIVE SECTION 217 15. xy 16. the number of integers the number of integers from –5 to ϩ5from ϩ5 to ϩ15 17. The area of square ABCD is 25. AB ϩ BC ϩ CD...

Ngày tải lên: 07/08/2014, 13:21

... 4,536 66. The radius of a circular pool is twice the radius of a circular flowerbed. The area of the pool is how many times the area of the flowerbed? a. ᎏ 1 4 ᎏ b. ᎏ 1 2 ᎏ c. 2 d. 4 e. 8 67. In the ... plane passenger if the European regulations permit 20 kilograms per passenger? (1 kg ϭ 2.2 lbs.) a. 11 b. 44 c. 88 – THE GRE QUANTITATIVE SECTION 2 29 58. If 0.6 is the...

Ngày tải lên: 07/08/2014, 13:21