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NeTakaya
2 years ago
8

Find the determinant of the matrix.

Mathematics
1 answer:
Natalka [10]2 years ago
8 0

Answer:

0

Step-by-step explanation:

\left[\begin{array}{ccc}a&b\\c&d\end{array}\right] = ad-bc

0(4)-4(0) = 0

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Answer:

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Step-by-step explanation:

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Now, on Friday we can write an equation is 55x+20y=200....(1).

and on Saturday we can write an equation is 72x+36y=306.....(2).

so, Equation 1: 55x+20y=200

 

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now, we are going to solve both equations.

after solving you will find x=2 and y=4.5

Hence, we can say that the cost of child ticket is $2, and the cost of adult ticket is $4.50.

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