14. C (5,5) a. 5 b. 1 c. 0 d.1/2 15. C (6,5) a. 5 b. 6 c. 1 d. 2 16. C (10,2) a. 15 b. 25 c. 35 d. 45 17. C (3,r) = 1, what is r? a. 1 b. 3 c. 2 d. 0 18. C (5, r) = 10, what is r? a. 1 b. 2 c. 3 d. 0 19. C (n, 6) = 1, what is n? a. 5 d. 6 c. 7 d. 8 20. C (n, 1) = 5, what is n? a. 5 d. 6 c. 7 d. 8
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1/2 15€ (6,5) b. 6 c. 1 d. 2. This seems to be a multiple-choice question, and we need to choose the correct option. To do that, we need to understand what the given numbers and symbols mean. The numbers in parentheses (5,5) and (6,5) seem to be coordinates. Show more…
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3. Calculate C (5,3)? A. 5 B. 10 C. 15 d. 20 4. If C (n,5) = 6, what is n? A. 5 B. 6 C. 7 D. 8 5. If C (6,r) = 20, then r = ______. A. 1 B. 2 C. 3 D. 4
Madhur L.
Solve algebraically and verify each solution (12 marks - 2 marks each for solving, 1 mark for verifying) a. (n-7)! = 15(n-8)! b. (n+5)! = 72(n+3)! c. 3(n+1)! = 63n! d. nP2 = 42
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