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anonymous

  • one year ago

How do I solve 2-√10/2 to get -.58

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  1. Astrophysics
    • one year ago
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    \[2- \frac{ \sqrt{10} }{ 2 }\] like this?

  2. Astrophysics
    • one year ago
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    Or \[2- \sqrt{\frac{ 10 }{ 2 }}\]

  3. anonymous
    • one year ago
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    The first one

  4. anonymous
    • one year ago
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    Are you sure? I'm thinking \[\frac{ 2-\sqrt{10} }{ 2}\] (parentheses will make your life so much easier)

  5. Astrophysics
    • one year ago
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    Ah right, it's always hard to tell what the expression is so please @cdelarosa1031 put parentheses on your questions or upload an image. So is it what Peachpi said or one of the ones I mentioned above?

  6. anonymous
    • one year ago
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    It's not giving me parentheses. It's just like that and want to know how they got -.58

  7. anonymous
    • one year ago
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    Astrophysics, the first one

  8. Astrophysics
    • one year ago
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    No...we mean put parentheses in your problem so we know what the question is, is the whole thing being divided by 2 (2-sqrt(10))/2 or just the sqrt(10)

  9. Astrophysics
    • one year ago
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    Ok cool

  10. Astrophysics
    • one year ago
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    \[2- \frac{ \sqrt{10} }{ 2 } = \frac{ 2 }{ 1 } - \frac{ \sqrt{10} }{ 2 }\] we can deal with the sqrt(10) after I guess, so do you know how to subtract fractions?

  11. anonymous
    • one year ago
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    I haven't done that in a while :/

  12. UsukiDoll
    • one year ago
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    @peachpi 's version takes me to -.58

  13. Astrophysics
    • one year ago
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    Yeah I think it is @peachpi version because 1 gives u 0.42

  14. anonymous
    • one year ago
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    How are you getting the decimal answers?

  15. UsukiDoll
    • one year ago
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    \[\frac{ 2-\sqrt{10} }{ 2} \rightarrow \frac{2-3.16}{2} \rightarrow \frac{-1.16}{2} \rightarrow -0.58\]

  16. anonymous
    • one year ago
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    I was skipping a step :/

  17. anonymous
    • one year ago
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    Thank you so much :)

  18. Astrophysics
    • one year ago
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    Please make your question clear next time to avoid confusion @cdelarosa1031

  19. anonymous
    • one year ago
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    How about this problem:

  20. anonymous
    • one year ago
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    1+3/y/5/y

  21. anonymous
    • one year ago
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    Not sure how to upload image to show proper way on paper

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