anonymous
  • anonymous
help
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
https://gyazo.com/9f27ad3bdcab11be342db3be6e2f4ea7
Ineedhelpfast12
  • Ineedhelpfast12
can you type out the question? I cant seem to access the website
anonymous
  • anonymous
Let me guess, you've fallen and you can't get up?

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anonymous
  • anonymous
so cani get help
anonymous
  • anonymous
Hold on.
mathstudent55
  • mathstudent55
Take a calculator and do each square root. The one that does not go on forever is rational.
UsukiDoll
  • UsukiDoll
irrational numbers can't be expressed as fractions.
UsukiDoll
  • UsukiDoll
also if you have a square root left over after simplifying.. it's irrational..
UsukiDoll
  • UsukiDoll
wait a sec... @keshaun455 what's the square root of 81?
anonymous
  • anonymous
Which of the following is a rational number? \[\sqrt{79}, \sqrt{80}, \sqrt{81}, \sqrt{82}\] A. \[\sqrt{79}\] B. \[\sqrt{80}\] C. \[\sqrt{81}\] D.\[\sqrt{82}\]
anonymous
  • anonymous
81 is 9
UsukiDoll
  • UsukiDoll
yeah and since 9 can be expressed as a fraction which is 9/1 it's rational. irrational numbers is when you have square roots remaining, a pi, or e.
UsukiDoll
  • UsukiDoll
In mathematics, a rational number is any number that can be expressed as the quotient or fraction p/q of two integers, p and q, with the denominator q not equal to zero. Since q may be equal to 1, every integer is a rational number. so in that case when we got the square root of 81 is 9 let p = 9 and q = 1 9/1
anonymous
  • anonymous
so its c
UsukiDoll
  • UsukiDoll
yeah
anonymous
  • anonymous
Good work.

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