Perform the indicated operation. Write the answer in the form a + bi.3(cos 30° + i sin 30°) ? 2(cos 90° + i sin 90°)
A. -3 + 3i
B. 2
- i
C. 3 - 12i
D. -6 - 6i
Answer: A
Mathematics
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Solve the system by the substitution method. Be sure to check all proposed solutions. x - 4y = -35x - 3y = -15
A. {(3, -1)} B. {(-3, 0)} C. {(-2, -3)} D. ?
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Provide an appropriate response. 10-2 = 0.01 written in logarithmic form is:
A. log 0.01 = -2 B. log 10 = 0.01 C. log -2 = 0.01 D. log 0.10 = 10
Mathematics
Multiply.600 ? 6
A. 606 B. 3600 C. 3606 D. 3594
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Multiply. Write the answer in simplest form.
× 
A. 
B. 
C. 
D. 
Mathematics