Find three cube roots for the complex number. Leave your answers in trigonometric form.
?

?
A.
B.
C.
D.
E.
Answer: B
Mathematics
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Solve the proportion equation. =
A. 49
B. 49
C. 49
D. 49
Mathematics
Solve the problem.The cost of manufacturing a molded part is related to the quantity produced during a production run. When 100 parts are produced, the cost is $300. When 600 parts are produced, the cost is $2800. What is the average cost per part?
A. $0.20 per part B. $5.00 per part C. $6.00 per part D. $4.17 per part
Mathematics
Solve the equation. = 4
A. -4 B. -3 C. -28 D. -1
Mathematics
Write the vector v in the form v1i + v2j, given and the direction angle ? of v.
= 11, ? = 120°
A. - i +
j
B. - i +
j
C. i -
j
D. i -
j
Mathematics