Determine the principal value without using a calculator.3
A. Not real number
B. -7
C. 18.52
D. 9.26
Answer: B
Mathematics
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20œ30ø a. 10 + j8 b. 17 + j10 c. 22 + j13 d. 21 + j10
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Solve the equation.3(x - 8) - 3 = 2 + 2x
A. - 29 B. - 13 C. - 25 D. 29
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Add.6 + (-73)
A. 79 B. -79 C. 67 D. -67
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Solve the system by elimination.8x + 5y = 39
x + y = 
A. {(-8, -5)} B. {(-5, 8)} C. {(5, 8)} D. {(8, -5)}
Mathematics