Question

Need urgent help in mathematics!! Will mark brainliest!!!!

Answer 1

The answer is the last option

Answer 2

$\left[\begin{array}{ccc}6.1&1.9\\-7.5&2.2\\3.8&-1.4\end{array}\right]$ + $\left[\begin{array}{ccc}-7.2&7.6\\1.8&-1.4\\2.3&2.1\end{array}\right]$

= $\left[\begin{array}{ccc}6.1-7.2&1.9+ 7.6\\-7.5+1.8&2.2-1.4\\3.8+2.3&-1.4+2.1\end{array}\right]$

= $\left[\begin{array}{ccc}-1.1&9.5\\-5.7&0.8\\1.5&0.7\end{array}\right]$

Answer: D