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Mathematics 11 Online
OpenStudy (anonymous):

can someone help me please? http://i1164.photobucket.com/albums/q568/binx1/3_zpssownpbwe.png

OpenStudy (anonymous):

\[CE=\left[ 85 ~ 120 ~ 150 \right]\left[\begin{matrix}5 & 8 \\ 10 & 6 \\12&4\end{matrix}\right]\] \[=\left[\begin{matrix}85*5+120*10+150*12 & 85*8+120*6+150*4 \end{matrix}\right]\] =?

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