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Troyanec [42]
3 years ago
9

Can someone explain how to solve for x?​

Mathematics
1 answer:
alina1380 [7]3 years ago
8 0

Answer:

x=11

Step-by-step explanation:

Notice that the first diagram is similar with the second diagram with ratio 1:2

Ex: Side length of JK is 6 and NP being 12, 6:12→1:2

You can conclude that x:22 needs to follow the ratio of 1:2

Thus, x=11

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Work Shown:

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Step-by-step explanation:

<u>System Determinant</u>

The determinant of the system is the determinant of the matrix of coefficients:

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<u>Y Determinant</u>

This is the determinant of the matrix with the y-coefficients replaced by the constants.

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_____

This problem didn't ask, but the solution is ...

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