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guapka [62]
3 years ago
10

Write in expanded form 72.864

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
5 0

Answer:

70 + 5 + 8/10 + 6/100 + 4/1000

Or

7*10 + 5*1 + 8*1/10 + 6*1/100 + 4*1/1000

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y=−2x+6

Step-by-step explanation:

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Harlp needed ok thanks dudes
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Solution:

<u>A few definitions...</u>

  • Rational number - Any integer, fraction, terminating decimal, or repeating decimal is classified as a rational number
  • Irrational number - All the real numbers which are not rational numbers.

<u>Option A - Rational or Irrational?</u>

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Since both are known as fractions, they are rational numbers.

<u>Option B - Rational or Irrational?</u>

  • √2 + 5/2

√2 is classified as an Irrational number because if it is simplified, it does not result in any integer, fraction, terminating decimal, or repeating decimal.

<u>Option C - Rational or Irrational?</u>

  • 1/√4 + 7/2
  • => 1/2 + 7/2
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Since this is an integer, this is rational.

<u>Option D - Rational or Irrational?</u>

  • √9 + √4
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Since this is an integer, this is rational.

In conclusion...

Option B is correct.

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2 years ago
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Step-by-step explanation:

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