You want to put shingles on the outside walls and solar panel the roof of the barn shown. It costs $2.50 for each square meter
of shingles. Solar panels cost $4.00 per square meter. How much will this project cost?
1 answer:
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Answer:
D
Step-by-step explanation:
If there is a 2x2 matrix as
The determinant is given by
<em>Now, if we calculate the value of "ad - bc", we see that:</em>
We can't calculate the inverse, the inverse doesn't exist. The answer is D.