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randomecorner

  • one year ago

What is the value of w? 5(9 − 3) = w • 9 – 5 • 3

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  1. dan815
    • one year ago
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    what will the expansion of 5(9-3) look like

  2. dan815
    • one year ago
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    remember the distributive law of multiplication

  3. randomecorner
    • one year ago
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    30

  4. dan815
    • one year ago
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    yea okay but i mean just writing it out in general

  5. dan815
    • one year ago
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    like the middle step

  6. dan815
    • one year ago
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    5(9-3)=5*9 - 5*3

  7. randomecorner
    • one year ago
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    cuz of 9-3=6 times 5=30

  8. dan815
    • one year ago
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    okay dont simplify the inside now, just write out distributive law

  9. dan815
    • one year ago
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    5(9 − 3) = w • 9 – 5 • 3 5(9 − 3) = 5 * 9 - 5 * 3 <------- from distributive law of multiplication can you see what w has to be now

  10. dan815
    • one year ago
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    you can also do it this way if u want you already know it has to be 30

  11. randomecorner
    • one year ago
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    my math bokis horrible at explaining

  12. dan815
    • one year ago
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    30=w • 9 – 5 • 3 so what does w have to be to satisfy this equation

  13. dan815
    • one year ago
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    you know the period there is for multiplication right

  14. randomecorner
    • one year ago
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    by its self?

  15. dan815
    • one year ago
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    30=w • 9 – 5 • 3 hmm okay

  16. randomecorner
    • one year ago
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    and yes i do know that

  17. dan815
    • one year ago
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    look try plugging in numbers to get a feel for it

  18. dan815
    • one year ago
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    lets say u make w=2

  19. dan815
    • one year ago
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    is 2*9-5*3 = 30?

  20. randomecorner
    • one year ago
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    no

  21. dan815
    • one year ago
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    right so w is not 2

  22. dan815
    • one year ago
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    try a bigger number for w

  23. dan815
    • one year ago
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    lets say w=4

  24. dan815
    • one year ago
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    is this right 4*9-5*3=30?

  25. dan815
    • one year ago
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    are getting closer atleast

  26. randomecorner
    • one year ago
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    yes

  27. dan815
    • one year ago
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    try w=5 now what happens?

  28. randomecorner
    • one year ago
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    or i miscalculated it

  29. randomecorner
    • one year ago
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    no its still wrng

  30. randomecorner
    • one year ago
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    w=6

  31. randomecorner
    • one year ago
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    is and itwrong also

  32. randomecorner
    • one year ago
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    i hate math

  33. randomecorner
    • one year ago
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    5(6)= w(4)(3) 30=12w 30/12=w but 30/12 cant get enterd in the bx so we divide?

  34. randomecorner
    • one year ago
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    wich is 2.5

  35. randomecorner
    • one year ago
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    but we can break it down more to 1 by dividing them right?

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