Use Cramer's Rule to solve the system of equations. Use technology to compute the determinants involved.
A. {(6, -7, -7)}
B. {(7, 7, 7)}
C. {(6, 7, 7)}
D. {(7, 5, 7)}
Answer: C
Mathematics
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Solve the problem.Let D be the region that is bounded below by the cone 
and above by the sphere 
Set up the triple integral for the volume of D in cylindrical coordinates.
A. 
B. 
C. 
D. 
Mathematics
Write the complex number in trigonometric form, using degree measure for the argument.-2
+ 2i
A. 4(cos(-45°) + i sin(-45°)) B. 4(cos 135° + i sin 135°) C. 4(cos(-135°) + i sin(-135°)) D. 4(cos 45° + i sin 45°)
Mathematics
Solve the equation.
+ 
= 
A. {8, 0} B. {1, 0} C. {-8, 0} D. {-1, 0}
Mathematics
Subtract. Simplify, if possible.
- 
A. 
B. 
C. 
D. 
Mathematics