Use the elimination method by addition to find the solution for the following system.
A. x = -9, y = -1
B. x = -5, y = 7
C. x = 5, y = 7
D. The system is inconsistent.
Answer: C
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Convert the Chinese numeral to Hindu-Arabic form.
A. 26 B. 200 C. 20 D. 2000
Find all real numbers that satisfy the equation. Round approximate answers to 2 decimal places.3 = 5 cos(x) + 2
A. 0.98 + 2k? or 5.30 + 2k? where k is any integer B. 1.37 + k? or 4.91 + k? where k is any integer C. 1.37 + 2k? or 7.65 + 2k? where k is any integer D. 1.37 + 2k? or 4.91 + 2k? where k is any integer
Determine if the equations in the given pair are equivalent. Each equation has only one solution.k - 12 = 1 and k = 13
A. Equivalent B. Not equivalent
Determine if the ordered pair is a solution to the system of linear inequalities in two variables.
(2, -5)
A. Yes B. No