Select the correct answer. Which expression is equivalent to x + y + x + y + 3(y + 5)? A. 2x + 5y + 5 B. 2x + y + 30 C. 2x + 5y
2 answers:
You might be interested in
9514 1404 393
Answer:
see below
Step-by-step explanation:
Carry out the math element by element. For example, ...
c11 = -7a11 +3b11
c11 = -7(8) +3(5) = -41
_____
<em>Additional comment</em>
Matrix operations like this one are easily handled by all spreadsheets and most graphing calculators. Some scientific calculators support matrix operations as well.
