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anonymous

  • one year ago

Can anyone help me with the matrix ? I will become a fan and i will give you a medal *questions are below *

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    |dw:1433186322955:dw|

  3. anonymous
    • one year ago
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    && i don't need help with #5 , i just want to know if it's right ... even tho im 75%sure it is right lol

  4. misty1212
    • one year ago
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    which one?

  5. anonymous
    • one year ago
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    first one

  6. misty1212
    • one year ago
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    it is going to be very hard for me to write, but it is easy to do first multiply each entry in A by \(-3\)

  7. misty1212
    • one year ago
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    it is going to be very hard for me to write, but it is easy to do first multiply each entry in A by \(-3\)

  8. misty1212
    • one year ago
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    then multiply each entry in B by \(6\)

  9. misty1212
    • one year ago
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    then add entry by entry

  10. anonymous
    • one year ago
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    to make it easier .. is there like a formula to this ?

  11. misty1212
    • one year ago
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    at the risk of sounding silly, you are given the formula multiply by -3, multiply by 6 and add

  12. anonymous
    • one year ago
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    oh , & that's all i have to do ?

  13. misty1212
    • one year ago
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    \[-3\begin{bmatrix} -3& 5& -6\\ 9 & -5 & 3 \end{bmatrix}\] \[=\begin{bmatrix} 9& -15& 18\\ -27 & 15 & -9 \end{bmatrix}\]

  14. misty1212
    • one year ago
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    yeah then do the same to the next one then add entry by entry that is all

  15. anonymous
    • one year ago
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    oh I see , Thank you for your help

  16. misty1212
    • one year ago
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    \[\color\magenta\heartsuit\]

  17. anonymous
    • one year ago
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    my answer : -3 21 60 -15 9 -45

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spraguer (Moderator)
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