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alekssr [168]
2 years ago
10

Use: Ck = k! (n-k)!

Mathematics
1 answer:
Arlecino [84]2 years ago
5 0

Answer:

3 ways.

Step-by-step explanation:

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

2 meats from a set of 3(steak, fish or chicken). So

C_{3,2} = \frac{3!}{2!1!} = 3

3 ways.

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45+ 46+47+ 48+ ... 113 + 114Gauss approach
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Answer:

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Step-by-step explanation:

1+2+3+4...+113+114=\frac{114*115}{2} =6555

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Thus, 45+46+47+48...+113+114= 6555-990=5565

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3 years ago
Whats 46\100 simplified
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The answer to the selceted problem 23/50

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6 0
3 years ago
What two positive real numbers whose product is 7272 have the smallest possible​ sum?
nadezda [96]
\sqrt{7272} and \sqrt{7272}, or as a rounded decimal 85.28 and 85.28. 

To find the smallest possible sum of roots for any product, the answer is always whatever numbers are closest together. This fact can be derived by the fact that the greatest area we can enclose with a given length is a perfect square. So we can take the square root of 7272 and use that, since they will be exactly the same number. 

If you are looking for whole numbers, you would have to go up or down until you find a factor of 7272 closest to the square root. In this case that would be 72 and 101. 
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3 years ago
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