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anonymous

  • 5 years ago

find the value of x

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  1. anonymous
    • 5 years ago
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  2. anonymous
    • 5 years ago
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    its the same as the other one silly, just with different numbers!

  3. anonymous
    • 5 years ago
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    so x is 3?

  4. anonymous
    • 5 years ago
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    no, not the same answer, same method.

  5. anonymous
    • 5 years ago
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    1/3 (pi r^2)(13)=215 solve for r

  6. anonymous
    • 5 years ago
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    \[215=\pi \times x ^{2}\times 13\]

  7. anonymous
    • 5 years ago
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    yes, but after simplifing actually sub in the value of pi as a number and solve it down to a real number

  8. anonymous
    • 5 years ago
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    3.14*13=40.82/3=13.61

  9. anonymous
    • 5 years ago
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    where did you put the x squared?

  10. anonymous
    • 5 years ago
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    13.61(x^2)=215

  11. anonymous
    • 5 years ago
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    good, keep going

  12. anonymous
    • 5 years ago
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    15.8

  13. anonymous
    • 5 years ago
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    15.8=x^2, yup, almost there

  14. anonymous
    • 5 years ago
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    7.9

  15. anonymous
    • 5 years ago
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    how did you get that?!

  16. anonymous
    • 5 years ago
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    15.8/2

  17. anonymous
    • 5 years ago
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    ops.. 3.97

  18. anonymous
    • 5 years ago
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    no thats x to the 2nd, opposite of to the 2nd is square root aka ^.5 and yes very good i get 3.97 as well

  19. anonymous
    • 5 years ago
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    (for the other one i rounded to 3, it was some decimal really close to 3 i think)

  20. anonymous
    • 5 years ago
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    okay.. thank you

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