The gre quatitative section 6 pdf

... 48. A E B C D G F – THE GRE QUANTITATIVE SECTION 220 23. 2xy 24. The water tank is two-thirds full with 12 gallons of water. the capacity of this tank 20 gallons 25. a 7 26. x Ϫ y ϭ 7 x ϩ y 14 27. The area ... y = z A B C x° y° AB = BC = AC – 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...

Ngày tải lên: 07/08/2014, 13:21

... the same degree measure 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 ... fraction ᎏ 36 x 0 ᎏ ,where x is the degree measure of the arc or central angle of the arc. Example: Find the length of the arc if x ϭ 36 and r ϭ 70. L =...

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 time...

Ngày tải lên: 07/08/2014, 13:21

... 33.3 – % ᎏ 2 3 ᎏ .66 6 . . . 66 .6 – % ᎏ 1 1 0 ᎏ .1 10% ᎏ 1 8 ᎏ .125 12.5% ᎏ 1 6 ᎏ . 166 6 . . . 16. 6 – % ᎏ 1 5 ᎏ .2 20% – THE GRE QUANTITATIVE SECTION 161 15. The rectangular rug shown in the figure above ... be positive; by the second equation, x must be negative. That is, x Ͻ 0 Ͻ y. 11. c. ͙(42 – 6 ෆ )(25 + ෆ 11) ෆ = ͙( 36) (3 ෆ 6) ෆ = ͙ 36 ෆ ϫ ͙ 36 ෆ = 6 ϫ 6 =...

Ngày tải lên: 18/06/2014, 17:20

... 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 = Area...

Ngày tải lên: 07/08/2014, 13:21

... 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 DEVIATION = Ί ¯¯¯ 96 6 = 4 In the first column, the ... Each section of the chart represents a portion of the whole, and all of these sections added together will equal 100% of the whole. x f total: 7 10 12 13 1...

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

... 1. 60 . The area of square EFGH is equal to the area of rectangle ABCD.IfGH ϭ 6 feet and AD ϭ 4 feet, the perimeter (in feet) of the rectangle is a. 9. b. 13. c. 24. d. 26. e. 36. Questions 61 65 ... ° 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 1980–1983 period. II. T...

Ngày tải lên: 07/08/2014, 13:21

... 4,5 36 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 ... EFGH is equal to the area of rectangle ABCD.IfGH ϭ 6 feet and AD ϭ 4 feet, the perimeter (in feet) of the rectangle is a. 9. b. 13. c. 24. d. 26. e. 36. Questions 61...

Ngày tải lên: 07/08/2014, 13:21

... a 26. d. Since x Ϫ y ϭ 7, then x ϭ y ϩ 7; x and y have many possible values, and therefore, x ϩ y cannot be determined. 27. b. ᎏ x 2 2 ᎏ = 18 x 2 = 36 x = 6 Therefore, AC ϭ 6 2 ෆ and 6 2 ෆ Ͼ 6. ... of each side of the square is 6. Therefore, AB ϭ 6, and thus, the perimeter ϭ 24. 29. c. Area = ᎏ 1 2 ᎏ (6) (6) = 18 30. c. AB ϭ BC (given) Since the measure of angle B equals th...

Ngày tải lên: 07/08/2014, 13:21