Nick and Linda are paid 33.25 for their work. Nick worked 1.5 hours, and Linda worked 2 hours. They split the money according to
the amount of time each of them worked. How much is Nick's share of the money?
1 answer:
Answer
the money is 12.75.
38.25 ÷ 4.5 = 8.5
8.5 · 1.5 = 12.75
Step-by-step explanation:
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The answer is D.
The matrix given is
![\left[\begin{array}{ccc}-5&1\\1&4\end{array}\right]](https://tex.z-dn.net/?f=%20%20%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-5%261%5C%5C1%264%5Cend%7Barray%7D%5Cright%5D%20)
To find determinant
![\left[\begin{array}{ccc}a&b\\c&d\end{array}\right]](https://tex.z-dn.net/?f=%20%20%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%26b%5C%5Cc%26d%5Cend%7Barray%7D%5Cright%5D%20)
we do

So, the determinant of the given matrix is