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sammy [17]
3 years ago
6

PLEASE HELP ASAP!

Mathematics
1 answer:
jarptica [38.1K]3 years ago
8 0
$281 = 5%

The total amount would be $5,620
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Using Cramer's Rule, what are the values of x and y in the solutio
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Answer:

x = -3, y = 1

Step-by-step explanation:

To find the value of x and y, find the determinant of original matrix, which would be 21.

Then, substitute the value of x with the solutions to the equations and find the determinant of that matrix, which is -63.

Cramer's rule says that Dx ÷ D is the value of x. So, -63 ÷ 21 = -3.

So, the x-value is -3.

You can find the determinant of the y-value in the same way, and you'll find out that y = 1.

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