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Tabbiejack Group Title

what is the simplified form of the expression (b/7)^2

  • one year ago
  • one year ago

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  1. Tabbiejack Group Title
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    |dw:1369532637410:dw|

    • one year ago
  2. Tabbiejack Group Title
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    @satellite73 I need help

    • one year ago
  3. Tabbiejack Group Title
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    please

    • one year ago
  4. Tabbiejack Group Title
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    The choices are|dw:1369532959983:dw|

    • one year ago
  5. JBrandonS Group Title
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    \[(\frac{b}{7})^2 = \frac{b^2}{7^2} = \frac{b^2}{49}\]

    • one year ago
  6. galacticwavesXX Group Title
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    B

    • one year ago
  7. galacticwavesXX Group Title
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    just square top and bottom on similar questions

    • one year ago
  8. Tabbiejack Group Title
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    Thanks so much I have 2 other questions if you guys don't mind

    • one year ago
  9. Tabbiejack Group Title
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    |dw:1369533436214:dw|

    • one year ago
  10. JBrandonS Group Title
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    Pull out the coefficients and use \[x^ax^b=x^{a+b}\]

    • one year ago
  11. Tabbiejack Group Title
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    I don't know this at all I am a parent trying to give my 2 children some math for the summer so I am asking for the help because I have not done algebra in 25 years

    • one year ago
  12. JBrandonS Group Title
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    Okay, well do you know what coefficients are?

    • one year ago
  13. Tabbiejack Group Title
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    yes

    • one year ago
  14. JBrandonS Group Title
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    Okay well then move those out so you get \[ 2*3x^6x^{1/2} \] and use the above formula.

    • one year ago
  15. galacticwavesXX Group Title
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    the coefficients are the numbers in front of the variable whenever you are multiplying variables with powers you always must add the powers together

    • one year ago
  16. galacticwavesXX Group Title
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    what will the final answer be?

    • one year ago
  17. Tabbiejack Group Title
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    6x^3

    • one year ago
  18. Tabbiejack Group Title
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    \[6x ^{3}\]

    • one year ago
  19. JBrandonS Group Title
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    You need to add the powers, not multiply. so \[6x^{6+1/2}\]

    • one year ago
  20. Tabbiejack Group Title
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    ok so what is the answer

    • one year ago
  21. Tabbiejack Group Title
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    I will give you the choices

    • one year ago
  22. galacticwavesXX Group Title
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    the answer would be\[6x^\frac{ 13 }{ 2 }\]

    • one year ago
  23. JBrandonS Group Title
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    I have given you the answer, there is only one thing you need to do... Do you know how to add fractions with whole numbers?

    • one year ago
  24. galacticwavesXX Group Title
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    that is 6x^13/2

    • one year ago
  25. Tabbiejack Group Title
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    so its \[5x \frac{ 13 }{2 }\]

    • one year ago
  26. Tabbiejack Group Title
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    Guys I feel so old doing this

    • one year ago
  27. galacticwavesXX Group Title
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    all you need to do is add the powers which is 6+.5 and you get 6.5 which is 13/2 in fraction form so final answer would be 6x^13/2

    • one year ago
  28. Tabbiejack Group Title
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    the dean at my children school said they were cheating so I have to give this these math test so that can get ready to take the big test to passed algebra

    • one year ago
  29. Tabbiejack Group Title
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    this really means the world to me all the help from you guys

    • one year ago
  30. Tabbiejack Group Title
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    I have another if your up for it!

    • one year ago
  31. galacticwavesXX Group Title
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    bring it on

    • one year ago
  32. Tabbiejack Group Title
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    |dw:1369534461113:dw|

    • one year ago
  33. galacticwavesXX Group Title
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    on the top part is that C^9

    • one year ago
  34. Tabbiejack Group Title
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    yes

    • one year ago
  35. Tabbiejack Group Title
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    |dw:1369534620249:dw|

    • one year ago
  36. galacticwavesXX Group Title
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    ok so this expression can be re-written as \[\frac{ x^9 }{ d^7 }/\frac{ x^14 }{ d^10 }\] which can be written as \[\frac{ x^9 }{ d^7 }*\frac{ d^10 }{ x^14 }\] the equation software on here is complexed but that is d^10 and x^-14

    • one year ago
  37. Tabbiejack Group Title
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    that is not a choice

    • one year ago
  38. galacticwavesXX Group Title
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    now what we can do is simplify the expression easier this way and we do this by subtracting the powers of the variable x and subtract the powers of the variable d not finished yet

    • one year ago
  39. Tabbiejack Group Title
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    o sorry

    • one year ago
  40. galacticwavesXX Group Title
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    \[\frac{ x^9 }{ x^14 }=\frac{ 1 }{ x^5 }\] andthe other one whic you get \[\frac{ d^10 }{ d^7 }=d^3\] combine and you get \[\frac{ d^3 }{ c^5 }\] sorry the x should have been a C

    • one year ago
  41. galacticwavesXX Group Title
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    if you can't see that it is d^3/c^5

    • one year ago
  42. Tabbiejack Group Title
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    This one I tried but I got it wrong is it B

    • one year ago
  43. Tabbiejack Group Title
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    are you guys still with me?

    • one year ago
  44. galacticwavesXX Group Title
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    yea my mom called for something but im back

    • one year ago
  45. Tabbiejack Group Title
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    Write the recursive formula for the geometric sequence. a1 = -2 a2 = 8 a3 = -32 A. an = -4 + an-1 B. an = -2 + an-1 C. an = -2 • an-1 D. an = -4 • an-1

    • one year ago
  46. Tabbiejack Group Title
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    do you want me to open this up in a new question so I can give you an award

    • one year ago
  47. galacticwavesXX Group Title
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    no im ok but i am looking at the sequences and none of them can i derive from the formulas given

    • one year ago
  48. galacticwavesXX Group Title
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    ohh never mind i got it the answer should be D

    • one year ago
  49. Tabbiejack Group Title
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    You rock

    • one year ago
  50. Tabbiejack Group Title
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    I am going to open up another question I want to give you an award for helping me

    • one year ago
  51. galacticwavesXX Group Title
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    haha thank you

    • one year ago
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