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Rewrite the system of equations in matrix form.
This system has a unique solution so long as the inverse of the coefficient matrix
exists. This is the case if the determinant is not zero.
We have
so the inverse, and hence a unique solution to the system of equations, exists as long as m ≠ -4.
The amount of money you'll have at the end of 10 years is $3900.
Given that, P=$3000, R=3% and T=10 years.
<h3>What is the formula to find the simple interest?</h3>The formula to find the simple interest is .
Now, simple interest .
Amount=Simple Interest+Principal
=900+3000=$3900
Therefore, the amount of money you'll have at the end of 10 years is $3900.
To learn more about the simple interest visit:
brainly.com/question/25845758.
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