Solve the system. x2 - 3y2 = 14x2 + 3y2 = 19
A. {(1, 2), (-1, 2), (1, -2), (-1, -2)}
B. {(2, 1), (-2, -1)}
C. {(2, 1), (2, -1), (-2, 1), (-2, -1)}
D. {(-1, 2), (1, -2)}
Answer: C
Mathematics
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Write the sum without sigma notation and evaluate it.
A. 2 sin ? + 2 sin 
+ 2 sin 
+ 2 sin 
= 6 + 
B. 2 sin ? + 2 sin 
= 
C. 2 sin ? + 2 sin 
+ 2 sin 
+ 2 sin 
= 2 + 
+ 
D. 2 sin ? + 2 sin 
+ 2 sin 
+ 2 sin 
= 1 + 
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Write the decimal in words.0.041
A. Forty-one ten-thousandths B. Forty-one thousandths C. Forty-one hundredths D. Forty-one hundred-thousandths
Mathematics
Evaluate the radical expressions or indicate that the root is not a real number.
A. -10 B. 10 C. 10,000 D. not a real number
Mathematics
Decide if the given number is a solution to the given equation.8z2 - 8 = 470.08; 7.6
A. Yes B. No
Mathematics