Represent the system of linear equations in the form AX = B and solve by finding A-1 and using X = A-1B.5x + 22y = 3,2x + 9y = 8
What will be an ideal response?
AX = 
= 
= B;
A-1 = 
;
(x, y) = (-149, 34)
Mathematics
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A. 50x + 10 B. 50x + 70 C. 15x + 17 D. 10x + 34
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Solve the problem.A radio station emits a signal that can be received within a 30 mile radius of the station's location. Another radio station located 70 miles east emits a signal that can be received within a 60 mile radius of the station's location. The system of inequalities x2 + y2 ? 900 (x - 70)2 + y2 ? 3600can be used to determine the region in which both radio station signals can be received. Graph this system. 
A. 
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C. 
D. 
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