Question

MEDAL AWARDED ON THE SPOT

Answer 1

If I am getting this right, it's neither.

Answer 2

It's 60 I think.

Answer 3

hold on im still tryna work it still

Answer 4

10
11
15
are the answer choices

Answer 5

@studystagram

Answer 6

It is not 60. I misread the plus sign as dot.

Answer 7

\[
\begin{pmatrix}
a&b&c\\
d&e&f\\
g&h&i
\end{pmatrix}
+
\begin{pmatrix}
j&k&l\\
m&n&o\\
p&q&r
\end{pmatrix}
=
\begin{pmatrix}
a+j&b+k&c+l\\
d+m&e+n&f+o\\
g+p&h+q&i+r
\end{pmatrix}
\]

Answer 8

soo

Answer 9

its 11

Answer 10

Yep.

Answer 11

@thomas5267

Answer 12

This is the best tutorial on matrix multiplication I know. Read and try it.
http://www.purplemath.com/modules/mtrxmult.htm