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Ivanshal [37]
3 years ago
9

Is √20 a rational or irrational number ?explain how you know

Mathematics
2 answers:
Nadusha1986 [10]3 years ago
7 0
The square root of 20 is irrational.
42 is 16, less than 20 and 52 is 25, more than 20.
zimovet [89]3 years ago
5 0
√20=√4*√5=2√5
√5-is a irrational number 
===>2√5-is a irrational number =>√20 is a irrational number. :D
Have a nice day!!~~~ ^-^
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Answer:

7

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
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Step-by-step explanation:

<u>Step 1: Define</u>

g/2 + 3

g = 8

<u>Step 2: Evaluate</u>

  1. Substitute in <em>g</em>:                                                                                               8/2 + 3
  2. Divide:                                                                                                             4 + 3
  3. Add:                                                                                                                 7
3 0
3 years ago
Read 2 more answers
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