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stiks02 [169]
2 years ago
8

Tìm n: 133^5 + 110^5 + 84^5 + 27^5 = n^5

Mathematics
1 answer:
slavikrds [6]2 years ago
5 0
Answer: n=144. . . . .
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Which system of inequalities is represented by the graph?
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Answer:

The system of inequalities " x + 2 y ≤ 5 and 3 x + y ≤ 4 " is represented by the graph ⇒ D

Step-by-step explanation:

To find the answer let us find the equation of each line

Blue line:

∵ The line passes through points (5 , 0) and (0 , 2.5)

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∵ m = Δy/Δx

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- Write the equation of the line

∴ y = - 0.5 x + 2.5

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- The shading is under the line and the line is solid, that means

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∴ The inequality of the blue line is 2 y ≤ - x + 5

Red line:

∵ The line passes through points (3 , -5) and (0 , 4)

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∴ m = -3

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- Write the equation of the line

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- Add 3 x to both sides

∴ 3 x + y ≤ 4 ⇒ same as the second inequality of answer D

The system of inequalities " x + 2 y ≤ 5 and 3 x + y ≤ 4" is represented by the graph

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