Solve the problem.Use the formula Zt = 
to find the total impedance in a parallel circuit for 
and 
A. 2.6(cos 317.4° + i sin 317.4°)
B. 2.6(cos 324.4° + i sin 324.4°)
C. 2.6(cos 318.1° + i sin 318.1)
D. 2.6(cos 322.1° + i sin 322.1°)
Answer: D
Mathematics
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Find the indicated coordinates.Three vertices of a rectangle are (7, -10), (1, -10), and (1, 2). What are the coordinates of the fourth vertex?
A. (2, 1) B. (-10, 7) C. (2, 7) D. (7, 2)
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Write the improper fraction as a whole or mixed number.
A. 3
B. 3
C. 4
D. 2
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Factor by grouping.12x2 - 15xy - 8xy + 10y2
A. (3x - 2y)(4x - 5y) B. (12x - 2y)(x - 5y) C. (3x + 2y)(4x - 5y) D. (3x - 2)(4x - 5)
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Subtract. Use borrowing, if necessary.
A. 2293 B. 6377 C. 2373 D. 2377
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