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rani Group Title

2w+3squareroot of w=14

  • 2 years ago
  • 2 years ago

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  1. rani Group Title
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    \[2w+3\sqrt{w}=14\]

    • 2 years ago
  2. rani Group Title
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    solve by substitution

    • 2 years ago
  3. liza2 Group Title
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    w= 4 Don't know how to solve it by substitution

    • 2 years ago
  4. rani Group Title
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    i got 4 also

    • 2 years ago
  5. rani Group Title
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    what did you use?

    • 2 years ago
  6. rani Group Title
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    i got w=4 and w = -7/2

    • 2 years ago
  7. liza2 Group Title
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    Just looked at the problem & guessed, then checked my math.

    • 2 years ago
  8. rani Group Title
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    lol wtf, good guess

    • 2 years ago
  9. liza2 Group Title
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    well, if you look at it, you know odds are w has to be a number that has an integer square root. And it has to be pretty low. So, 4 was the first number that came to mind, because 9 is the next square, and it's already too high.

    • 2 years ago
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