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anonymous

  • one year ago

What is the value of x? Round to the nearest tenth A. 24.8 B. 14.6 C. 10.2 D. 5.9 http://static.k12.com/calms_media/media/1579000_1579500/1579363/1/03fae6026073cafc74750c5ccaa11831d106b92b/MS_IMC-150126-130902.jpg

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  1. anonymous
    • one year ago
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    Do u know the Pythagorean theorem?

  2. anonymous
    • one year ago
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    not really

  3. anonymous
    • one year ago
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    a2 + b2 = c2

  4. anonymous
    • one year ago
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    c = your hypotenuse which is the longest line

  5. anonymous
    • one year ago
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    ok ill work it out

  6. anonymous
    • one year ago
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    i got 617

  7. anonymous
    • one year ago
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    hang on one sec

  8. anonymous
    • one year ago
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    the equation would be 16^2 + x^2 = 19^2

  9. anonymous
    • one year ago
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    square all the numbers in the equation and tell me what u get

  10. anonymous
    • one year ago
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    oh ok

  11. anonymous
    • one year ago
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    you want me to tell u?

  12. anonymous
    • one year ago
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    im almost done

  13. anonymous
    • one year ago
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    k

  14. anonymous
    • one year ago
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    i got 98.8190799

  15. anonymous
    • one year ago
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    ok so im not sure what u did lol but what u do is u just square the numbers 256 + x^2 = 361 do u understand how i got to this point?

  16. anonymous
    • one year ago
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    yea not really

  17. anonymous
    • one year ago
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    ok um

  18. anonymous
    • one year ago
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    16 squared = 256 and 19 squared = 361 and x squared still just equals x squraed

  19. anonymous
    • one year ago
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    and you put them back in the equation 256 + xsquared = 361

  20. anonymous
    • one year ago
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    did that help?

  21. anonymous
    • one year ago
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    yes

  22. anonymous
    • one year ago
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    ok so you know how to do inverse operations right?

  23. anonymous
    • one year ago
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    yes

  24. anonymous
    • one year ago
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    ok so you would do that and then get x^2 = 105

  25. anonymous
    • one year ago
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    understand?

  26. anonymous
    • one year ago
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    yes

  27. anonymous
    • one year ago
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    ok so whats the opposite of squaring a number?

  28. anonymous
    • one year ago
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    Square root?

  29. anonymous
    • one year ago
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    yes

  30. anonymous
    • one year ago
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    so you would square root 105 and then that would be your answer

  31. anonymous
    • one year ago
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    tell me what you get when you do that

  32. anonymous
    • one year ago
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    i got 10.2

  33. anonymous
    • one year ago
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    yep :)

  34. anonymous
    • one year ago
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    good job

  35. anonymous
    • one year ago
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    Thank you :)

  36. anonymous
    • one year ago
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    np :P

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