The polar coordinates of a point are given. Find the rectangular coordinates of the point.(4, 70°) Round the rectangular coordinates to two decimal places.
A. (1.59, 4.01)
B. (1.37, 3.76)
C. (4.01, 1.59)
D. (3.76, 1.37)
Answer: B
Mathematics
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Given the following values, find circuit impedance.
V = 30œ0ø IT = 30œ-40ø mA a. 10œ-40ø Kê b. 10œ40ø Kê c. 1œ40ø Kê
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Simplify.
A. 
B. 
C. 12
D. 1
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Determine whether or not the function is one-to-one.
A. Yes B. No
Mathematics
Solve the system by using Gaussian elimination with backward substitution or by reducing the matrix to reduced-row echelon form. x - y + 3z = -13x + z = -2 x + 4y + z = -22
A. (-2, -5, 0) B. No solution C. (0, -5, -2) D. (-2, 0, -5)
Mathematics