Find the indicated sum.
A. 1350.5
B. 1221
C. 1480
D. 1258
Answer: D
Mathematics
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Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in rectangular form.(cos 30° + i sin 30°)12
A. i B. -i C. 1 D. -1
Mathematics
Divide the expression. You may want to use the property 
= 
+ 
. Do not use a calculator.
A. 
x - 
B. 4x - 1
C. 4x - 5
D. 
x2 - 5
Mathematics
Find the distance from P1 to P2.P1 = (1, -3, -3) and P2 = (2, -1, 1)
A. 2
B. 
C. 
D. 
Mathematics
Solve the system using the inverse matrix method.
A. x = -10, y = 40, z = -26; (-10, 40, -26) B. x = -8, y = 16, z = 4; (-8, 16, 4) C. x = -24, y = 34, z = 18; (-24, 34, 18) D. x = -6, y = -8, z = -6; (-6, -8, -6)
Mathematics