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rannsan

  • 2 years ago

What is the simplified sum of √3+√12=

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  1. Chlorophyll
    • 2 years ago
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    Hint √12 = √ (4 * 3 ) = ....?

  2. ilikephysics2
    • 2 years ago
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    the sqrt(12) = 2 sqrt(3) so sqrt(3) + 2 sqrt(3) is your solution

  3. qpHalcy0n
    • 2 years ago
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    It can be simpler.

  4. qpHalcy0n
    • 2 years ago
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    sqrt(3) is IMPLIED 1*sqrt(3) . What is 1 + 2?

  5. ilikephysics2
    • 2 years ago
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    All i care about is her understanding the methods on how to get it, regardless of how to do it

  6. qpHalcy0n
    • 2 years ago
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    o_O Very good.

  7. rannsan
    • 2 years ago
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    now I am confused

  8. ilikephysics2
    • 2 years ago
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    just follow the method I provided

  9. rannsan
    • 2 years ago
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    ok

  10. qpHalcy0n
    • 2 years ago
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    You didn't provide any method, you provided a solution ..... :/ Here, you can rewrite sqrt(12) like @Chlorophyll said.

  11. ilikephysics2
    • 2 years ago
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    sqrt(12) = the terms sqrt(4) * sqrt(3) sqrt(4) = 2 which stays on the outside of the radical 2sqrt(3) + sqrt(3) which is the solution

  12. qpHalcy0n
    • 2 years ago
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    |dw:1349328337783:dw|

  13. rannsan
    • 2 years ago
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    2√3

  14. ilikephysics2
    • 2 years ago
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    either works 3sqrt(3) or sqrt(3) = 2sqrt(3)

  15. SOMU.kvp
    • 2 years ago
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    5.193

  16. qpHalcy0n
    • 2 years ago
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    Right, but one is simplified all of the way, and one is not. If you are providing answers to a computer (all too common), it will complain that it is not completely simplified. It's important to see how they add like that.

  17. ilikephysics2
    • 2 years ago
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    no answers to computers will accept both such as webassign or webwork

  18. ilikephysics2
    • 2 years ago
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    as long as the programs are accurate

  19. qpHalcy0n
    • 2 years ago
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    I've tutored for years, and I can assure that this is not the case whatsoever. You can continue being indignant though.

  20. SOMU.kvp
    • 2 years ago
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    rannsan r u clear?

  21. ilikephysics2
    • 2 years ago
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    k

  22. rannsan
    • 2 years ago
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    yes thank you a lot I have another one for yall....................sorry for the yall I am in the south.

  23. SOMU.kvp
    • 2 years ago
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    square root 3 value 1.732 so 1.732+2(1.732)=5.196

  24. Chlorophyll
    • 2 years ago
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    @rannsan We explain so that you can understand and work by YOURSELF :)

  25. qpHalcy0n
    • 2 years ago
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    Do not do this.

  26. qpHalcy0n
    • 2 years ago
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    That answer will be an approximation (with round off error). The exact answer is that as has been shown.

  27. Chlorophyll
    • 2 years ago
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    @SOMU.kvp You should learn from the others' solution!

  28. SOMU.kvp
    • 2 years ago
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    what mr.chlorophy?

  29. Chlorophyll
    • 2 years ago
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    Decimal number isn't allowed to solve these types!

  30. SOMU.kvp
    • 2 years ago
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    y?

  31. qpHalcy0n
    • 2 years ago
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    They are approximations. You can't always just plug and chug to get numbers out. For example. Pi = 3.14...this is an approximation and is far from exact. Pi, is exact. Similarly sqrt(3)... 1.73 is an approximation. sqrt(3) is exact. When you have problems that grow to a page or fill a chalk board, doing rounding like this will give you VERY wrong answers especially if you do it early in the problem. It's called error propagation. Google it.

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