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dedylja [7]
3 years ago
6

Let $x_1,$ $x_2,$ $x_3,$ $x_4,$ $x_5$ be distinct positive integers such that $x_1 + x_2 + x_3 + x_4 + x_5 = 100.$ Compute the m

aximum value of the expression \begin{align*} &\frac{(x_2 x_5 + 1)(x_3 x_5 + 1)(x_4 x_5 + 1)}{(x_2 - x_1)(x_3 - x_1)(x_4 - x_1)} + \frac{(x_1 x_5 + 1)(x_3 x_5 + 1)(x_4 x_5 + 1)}{(x_1 - x_2)(x_3 - x_2)(x_4 - x_2)} \\ &\quad + \frac{(x_1 x_5 + 1)(x_2 x_5 + 1)(x_4 x_5 + 1)}{(x_1 - x_3)(x_2 - x_3)(x_4 - x_3)} + \frac{(x_1 x_5 + 1)(x_2 x_5 + 1)(x_3 x_5 + 1)}{(x_1 - x_4)(x_2 - x_4)(x_3 - x_4)}. \end{align*}
Mathematics
1 answer:
nikdorinn [45]3 years ago
4 0

Answer:I have no idea

Step-by-step explanation:

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Answer:

The perimeter of the first question is 62

If you draw it, you'll you'll see that it's a rectangle. The length of each side is calculated by adding the widths and heights as in the photo ( red ), and then adding them up. 13 + 18 + 13 + 18 = 62

You do the same with question 2, but this time the rectangle is smaller. (green in the photo)

So the perimeter is:

13 + 14 + 13 + 14 = 54

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patriot [66]
Your answer is C. 

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tekilochka [14]

Answer:

2x-8=1/2-2

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

                     1 1 1

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                      -------

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