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hodyreva [135]
3 years ago
13

Which number is not irrational? A. 20 B. 127 c. 125 D. V50

Mathematics
1 answer:
Tju [1.3M]3 years ago
7 0

Answer:

A. A rational number gives you a remender when you divide it through by let say an even number 2.so irrational gives you no remender, hence A as an answer.

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Translate the scenario below to a linear equation, then solve.
sashaice [31]

Answer:  x + 2x + x-40 = 180

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​Step-by-step explanation:  The sum of the angles of a triangle is 180º

Take the values given and  use x as the unknown first angle. then create terms for the other two angles based on that:

The second angle of a triangle is double the first angle  becomes 2x

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4x -40 = 180   Add 40 to both sides to "cancel" the -40 on the left

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4x/4 = 220/4

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2(55) = 110   The second angle

(55) -40 = 15   the third angle

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3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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