Is 1 to 4 what is the length of segment rs a 5 b 55 c

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is 1 to 4. What is the length of segment RS ? A. 5 B. 5.5 C. 6 D. 6.5 E. 7 Answer: ------------------------------------------------------------------------------------------------------------ Q9: If the average (arithmetic mean) of four different numbers is 30, how many of the numbers are greater than 30? (1) None of the four numbers is greater than 60. (2) Two of the four numbers are 9 and 10, respectively. ------------------------------------------------------------------------------------------------------------ Q10: If each of the students in a certain mathematics class is either a junior or a senior, how many students are in the class? (1)If one student is to be chosen at random from the class to attend a conference, the probability that the student chosen will be a senior is 4/7. (2) There are 5 more seniors in the class than juniors. 3 X
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------------------------------------------------------------------------------------------------------------ Q11: Note : Not drawn to scale. A rectangular picture is surrounded by a boarder, as shown in the figure above. Without the boarder the length of the picture is twice its width. If the area of the boarder is 196 square inches, what is the length, in inches, of the picture, excluding the boarder? ------------------------------------------------------------------------------------------------------------ Q12: Each week Connie receives a base salary of $500, plus a 20 percent commission on the total amount of her sales that week in excess of $1,500. What was the total amount of Connie’s sales last week? (1) Last week Connie’s base salary and commission totaled $1,200. (2) Last week Connie’s commission was $700. A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. D. EACH statement ALONE is sufficient. 4 2 in 2 in 2 in 2 in
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E. Statements (1) and (2) TOGETHER are NOT sufficient. Answer: ------------------------------------------------------------------------------------------------------------ Q13: If n is the greatest positive integer for which 2 n is a factor of 10!, then n = ------------------------------------------------------------------------------------------------------------
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