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Solve for the unknown in each number. Write your answer in a separate sheet of paper. Write your complete solution.
1. Given n = 9 and r = 5, find the number of combination of objects.
2. C(n,2) = 21
3. C(11,5) = _____
4. C (9,r) = 84
5. C(12,7) = _____
Solve for the unknown in each number. Write your answer in a separate sheet of paper. Write your complete solution.
1. Given n = 9 and r = 5, find the number of combination of objects.
2. C(n,2) = 21
3. C(11,5) = _____
4. C (9,r) = 84
5. C(12,7) = _____
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Answer:
1. 12b
2. n=7
3. 4b2
4. r= 3
5. 792
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