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anonymous

  • 5 years ago

have quick question need to see if my answer is correct p(s)=2s^3-9s-10 P(1/2) the answer i got was 3/4 please someone work this and let me know

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  1. anonymous
    • 5 years ago
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    your answer is wrong

  2. anonymous
    • 5 years ago
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    take it one step at a time. what is s^3 for s = 1/2?

  3. anonymous
    • 5 years ago
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    I need feedback to help you, tina

  4. anonymous
    • 5 years ago
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    you substitute s for 1/2

  5. anonymous
    • 5 years ago
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    sorry gave you the wrong equation P(s)=2s^3-2s-1

  6. anonymous
    • 5 years ago
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    your answer is still wrong. take it one step at a time. what is s^3 for s = 1/2?

  7. anonymous
    • 5 years ago
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    1/4

  8. anonymous
    • 5 years ago
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    are you sure? s cubed is s times s times s.

  9. anonymous
    • 5 years ago
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    its not that complicated p(s)=2s^3-2s-1 p(1/2)=2(1/2)^3-2(1/2)-1

  10. anonymous
    • 5 years ago
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    right, so 2s^3 is 2 times 1/2 times 1/2 times 1/2 what is that equal to?

  11. anonymous
    • 5 years ago
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    2/8=1/4

  12. anonymous
    • 5 years ago
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    okay good. what is 2s?

  13. anonymous
    • 5 years ago
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    The value of 2s for s = 1/2 is?

  14. anonymous
    • 5 years ago
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    2/2=1 this is where i got messed up i think

  15. anonymous
    • 5 years ago
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    okay. so then your equation becomes (1/4)-1-1

  16. anonymous
    • 5 years ago
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    or (1/4)-2

  17. anonymous
    • 5 years ago
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    right

  18. anonymous
    • 5 years ago
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    so evaluate that. that value is your answer.

  19. anonymous
    • 5 years ago
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    1/2

  20. anonymous
    • 5 years ago
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    how did you get that? post what you did here.

  21. anonymous
    • 5 years ago
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    1/4-2/1 2/4 1/2

  22. anonymous
    • 5 years ago
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    okay so are you telling me that if you take away 2 dollars from a quarter, you end up with 50 cents?

  23. anonymous
    • 5 years ago
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    http://www.youtube.com/watch?v=52ZlXsFJULI go through that video. It will teach you how to how to add and subtract fractions.

  24. anonymous
    • 5 years ago
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    yeah cause i really hate fractions

  25. anonymous
    • 5 years ago
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    -1 3/4

  26. anonymous
    • 5 years ago
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    yes, that is right.

  27. anonymous
    • 5 years ago
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    go through some videos on how to add and subtract the fractions. The video I posted helps you think about fractions intuitively.

  28. anonymous
    • 5 years ago
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    ok so then that is the final answer, i will i get them mixed up all the time

  29. anonymous
    • 5 years ago
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    okay goodluck.

  30. anonymous
    • 5 years ago
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    ty

  31. anonymous
    • 5 years ago
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    np

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