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Q21 if x 0 then xx is a x b 1 c 1 d x e x answer q22

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Q21: If x < 0, then √(-x│x│) is A. -x B. -1 C. 1 D. x E. √x Answer: ----------------------------------------------------------------------------------------------------------- - Q22: For any integer k greater than 1, the symbol k * denotes the product of all the fractions of the form 1/ t , where t is an integer between 1 and k , inclusive. What is the value of 5 * /4 * ? ----------------------------------------------------------------------------------------------------------- - Q23: l 1 l 2 p 7
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q r s t If l 1 ║ l 2 in the figure above, is x = y? (1) p║r and r║t (2) q║s ----------------------------------------------------------------------------------------------------------- - Q24: Month Number of Days Worked June 20 July 17 August 19 The table above shows the number of days worked by a certain sales representative in each of three months last year. If the number of sales calls that the representative made each month was proportional to the number of days worked in that month and if the representative made a total of 168 sales calls in the three months shown, how many sales calls did the representative make in August? ----------------------------------------------------------------------------------------------------------- - Q25: 8
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Pat invested x dollars in a fund that paid 8 percent annual interest, compounded annually. Which of the following represents the value, in dollars, of Pat’s investment plus interest at the end of 5 years? A. 5(0.08 x ) B. 5(1.08 x ) C. [1 + 5(0.08)] x D. (1.08) 5 x E. (1.08 x ) 5 Answer: ----------------------------------------------------------------------------------------------------------- - Q26: If n = 3 k , is k an integer? (1) n is an integer. (2) n /6 is an integer. ----------------------------------------------------------------------------------------------------------- - Q27: In the xy -plane, what is the slope of the line with equation 3x + 7y = 9? ----------------------------------------------------------------------------------------------------------- - Q28: In a certain English class, 1/4 of the number of girls is equal to 1/6 of the total number of students. What is the ratio of the number of boys to the number of girls in the class? 9
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----------------------------------------------------------------------------------------------------------- - Q29: If x > 0.9, which of the following could be the value of x? A. √0.81 B. √0.9 C. (0.9) 2 D. (0.9)(0.99) E. 1 - √0.01 Answer: ----------------------------------------------------------------------------------------------------------- -
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