Solve the system by graphing. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x. 4x + 5y = 19 4x + 2y = 10
A. (3, 1)
B. (4, -6)
C. Inconsistent, ?
D. (1, 3)
Answer: D
Mathematics
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A. 50
B. 5
;
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A. 16 B. -16 C. -4 D. 4
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Use the even-odd properties to find the exact value of the expression. Do not use a calculator.cos (-150°)
A. - 
B. 
C. 
D. 
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