The answer is A) -23
A is a 1x3 Matrix while B is 3x1 Matrix. Since A has the same number of rows as that of the number of columns of B, they can be multiplied. A has 1 row and B has 1 column. So, their products is a 1x1 Matrix.
Simply, the operation is:
(3)(-1) + (-2)(4) +(6)(-2) = -23
Answer:
1/5=t
Step-by-step explanation:
You're right - it's D. Both ratios are equal to 1/2.
The side is 3 so it would be 3 times 5, your answer is 15
