The gre quatitative section 1 pdf

... 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 = ᎏ 3 3 6 6 0 ᎏ × 2(π)70 L = ᎏ 1 1 0 ᎏ × 14 0π L = 14 π A REA ... angles have 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...

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 1 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 is 10 . – ... minus the least measurement. For example, given the fol- lowing values: 5, 9, 14 , 16 , and 11 , the range would be 16 – 5 = 11 . STANDARD DEVIATION As y...

Ngày tải lên: 07/08/2014, 13:21

... 6 2. Ί ෆ xº yº zº 3a + 15 5a + 1 2a + 22 x = 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 15 17 . The area ... consecutive integers is 35. the value of the greatest 9 of these integers 22. 16 0 ෆ 3 10 ෆ A BC D E x° y° IN ABC, AC = BC BC DE AND x = 65 __ __ – THE...

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 19 7 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 ... use the formula A = bh. ■ To find the area of a 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...

Ngày tải lên: 07/08/2014, 13:21

... Middleton Technical Institute: 12 , 10 , 15 , 10 , 7, 13 , 15 , 12 , 7, 13 , 10 , 10 , 12 , 7, 12 Be sure that the total number of measurements taken is equal to the total at the bottom of the frequency distribution ... Each section of the chart represents a portion of the whole, and all of these sections added together will equal 10 0% of the whole. x f total: 7...

Ngày tải lên: 07/08/2014, 13:21

... the triangular figure: a ϭ 1, b ϭ 2, and c ϭ 3. ᎏ 1 3 2 ᎏ + ᎏ 1 2 3 ᎏ + ᎏ 2– 1 3 ᎏ = ᎏ – 3 1 ᎏ + 1 + 1 = –2 ᎏ 1 3 ᎏ b c a 2 31 If = _____ + _____ + ____ _ a − b a − c b − c c b a Then ... would add the probabilities together. The probability of drawing a red marble = ᎏ 1 3 4 ᎏ . And the probability of drawing a blue marble = ᎏ 1 5 4 ᎏ . Add the two togeth...

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 19 80 19 83 period. II. The greatest increase in the ... CARBOHYDRATES PROTEIN FAT GRAMS CALORIES 500 10 0 10 0 2,050 410 930 AGE – THE GRE QUANTITATIVE SECTION 225 51. What is the area of ABCD? a. 24 b. 30 c. 35 d. 36...

Ngày tải lên: 07/08/2014, 13:21

... CARBOHYDRATES PROTEIN FAT GRAMS CALORIES 500 10 0 10 0 2,050 410 930 AGE – THE GRE QUANTITATIVE SECTION 225 61. How many calories are there in 1 gram of carbohydrates? a. 0.2 b. 2 c. 4 .1 d. 10 .25 e. 1. 025 62. What percent (to the nearest ... same, but the fraction in column B has a smaller denominator, denoting a larger quantity. 2. b. 1y + 0.01y = 2.2 10 y + 1y = 220...

Ngày tải lên: 07/08/2014, 13:21

... 2.4 0.2 ϩ 0.8 ϩ 1 ϭ 2 x ϭ 2.4 Ϫ 2 or 0.4 0 2 4 6 8 10 2 4 6 810 12 14 A B C D E F 2 10 6 – THE GRE QUANTITATIVE SECTION 235 31. d. There is no relationship between a and f given. 32. d. The variable ... same, but the fraction in column B has a smaller denominator,denoting a larger quantity. 2. b. 1y + 0.01y = 2.2 10 y + 1y = 220 Multiply each term by 10 0. 11 y = 220 –...

Ngày tải lên: 07/08/2014, 13:21

... 2.4 0.2 ϩ 0.8 ϩ 1 ϭ 2 x ϭ 2.4 Ϫ 2 or 0.4 0 2 4 6 8 10 2 4 6 810 12 14 A B C D E F 2 10 6 – THE GRE QUANTITATIVE SECTION 235 69. b. Let x ϭ amount Ed had. Let y ϭ amount Patricia had. x ϩ $10 ϭ amount ... (to the nearest gram) 66. d. Since the formula for the area of a circle is ␲r 2 , any change in r will affect the area by the square of the amount of the change....

Ngày tải lên: 07/08/2014, 13:21