Answer:
<h3><em><u>x=8.4</u></em></h3>Step-by-step explanation:
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When meat cook, it’s weight decreases by approximately 22%. Justin cooks a boneless chicken thigh that is 8 oz before cooking. P
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Using Cramer's rule it is found that Dx = -34.
In Cramer's rule, we have three matrices.
- x is a matrix in which the first column is the coefficients that multiply x, and the second are the coefficients on the right side of the equality.
- y is a matrix in which the first column is composed by the coefficients on the right side of the equality and the second is the coefficients that multiply y.
- M is a matrix in which the first column is the coefficients that multiply x, and the second is the coefficients that multiply y.
In this problem, the system is:
Matrix x is given by:
It's determinant is given by:
Thus, Dx = -34.
A similar problem is given at brainly.com/question/24749091