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PSYCHO15rus [73]
3 years ago
15

Is 34.49 rational or irrational

Mathematics
1 answer:
Shalnov [3]3 years ago
6 0

Answer:

Rational

Step-by-step explanation:

Its rational because it is a terminating decimal. Meaning that it doesn't go on and on like pie(3.14...).

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Please solve all with explanation
garri49 [273]

Answer:

1. \frac{x^2}{y^8}

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b) 0

3. x = 10

Step-by-step explanation:

1.

(\frac{x^{-3}y^4}{x^{-2}})^{-2}\\({x^{-3+2}y^4})^{-2}\\({x^{-1}y^4})^{-2}({x^{-1*-2}y^{4*-2})= \frac{x^2}{y^8}

2. a)

2 [(\frac{-1}{4}) -12 (-1)^2] - 5[24 +2 (-12)]^2\\2[(\frac{-1}{4}) -12] - 5[24 -24]^2\\2 * [(\frac{-1}{4}) -12]  -0\\\frac{-49}{2}

b)

-a^2b^2 - 3a^3b^2\\-\frac{1}{9}*1 - 3 * \frac{-1}{27} *1\\-\frac{1}{9} + \frac{1}{9}\\0

3.

\frac{3}{4}x + \frac{5}{6} = 5x -\frac{125}{3} \\\frac{5}{6} + \frac{125}{3} = 5x - \frac{3}{4}x\\\frac{5+250}{6} = \frac{20x -3x}{4}\\\frac{255}{6} = \frac{17x}{4}\\x = 10

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3 years ago
Are these triangles congruent?
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Step-by-step explanation:

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3 years ago
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