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julia-pushkina [17]
3 years ago
11

Please help! Correct answer only, please! Consider the following table. A movie theatre is planning to increase each of their va

rious ticket prices by $2. Which informational matrix operation below would correctly increase of their prices ticket prices by $2? A. B. C. D.

Mathematics
1 answer:
dezoksy [38]3 years ago
7 0

Answer: D

<u>Step-by-step explanation:</u>

In order to increase each ticket by $2, you are ADDING 2 to each value.

So you create a matrix of all 2's and add that to the given matrix.

\left[\begin{array}{cc}2&2\\2&2\\2&2\end{array}\right] +\left[\begin{array}{cc}8&10\\12&16\\6&8\end{array}\right]\quad =\quad \large \left[\begin{array}{cc}10&12\\14&18\\8&10\end{array}\right]

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Answer: x = 3


Step-by-step explanation:Simplifying

12 + 5x = 18 + 3x

Solving

12 + 5x = 18 + 3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3x' to each side of the equation.

12 + 5x + -3x = 18 + 3x + -3x

Combine like terms: 5x + -3x = 2x

12 + 2x = 18 + 3x + -3x

Combine like terms: 3x + -3x = 0

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Add '-12' to each side of the equation.

12 + -12 + 2x = 18 + -12

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Divide each side by '2'.

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Simplifying

x = 3




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