Use matrix inversion to solve the system of linear equations.
?
?
A. 
,
,
B. 
,
,
C. 
,
,
D. 
, 
, 
E. 
,
,
Answer: D
Mathematics
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Solve by the substitution method. x + y = 89x + 9y = 72
A. {(7, 1)} B. {(0, 0)} C. {(x, y)| x + y = 8} D. ?
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Write in logarithmic form.43/2 = 8
A. log84 = 
B. 
= 4
C. log48 = 
D. log34 = 
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Use the discriminant to determine whether the graph of the equation is a parabola, ellipse, or a hyperbola.  figure 1.png)
What will be an ideal response?What will be an ideal response?
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Round the decimal to the given place value.0.06618, nearest hundredth
A. 0.1 B. 0.07 C. 0.066 D. 0.06
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