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Stolb23 [73]
3 years ago
12

0.423 rational or irrational

Mathematics
2 answers:
alexgriva [62]3 years ago
7 0
It would b rational...hope this helps
-BARSIC- [3]3 years ago
4 0
Rational because<span>A rational number is one that can be written as a fraction, with whole numbers in the numerator and the denominator. </span>
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Which of the following is a difference of cubes? x^6 + 27y^9 3x^9 - 64y^3 27x^{15} - 9y^3 125x^{21} - 64y^3
astraxan [27]

Answer:

  • D) 125x²¹- 64y³  

Step-by-step explanation:

  • A) x⁶ + 27y⁹ = (x²)³ + (3y³)³  - sum of cubes
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  • C) 27x¹⁵ - 9y³ - the second term is not a cube
  • D) 125x²¹- 64y³ = (5x⁷)³ - (4y)³ - difference of cubes

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2x^2 / x^2 - y^2 - x^2 / xy - y ^ 2​
Juliette [100K]

Answer:

2 - 2y^2 - x/y

Step-by-step explanation:

2x^2/x^2 = 2

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