Find the product of the complex numbers. Leave answer in polar form.z1 = 6(cos 39° + i sin 39°)z2 = 4(cos 12° + i sin 12°)
A. 10(cos 51° + i sin 51°)
B. 10(cos 108° + i sin 108°)
C. 24(cos 27° + i sin 27°)
D. 24(cos 51° + i sin 51°)
Answer: D
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = (1 - 9t)i + (5 + 2t)j + (6t - 5)k, -10 ? t ? 6
A. 176 B. 1,936 C. -484 D. -44
Use the circle graph to solve the problem.The circle graph shows the percent of the total population of 75,100 of Springfield living in the given types of housing.
Find the number of people who live in duplexes. Round your result to the nearest whole number.
A. 1 people B. 751 people C. -3004 people D. 74,349 people
Solve the equation. Round to the nearest thousandth.43-x = 18
A. {1.480} B. {3.500} C. {-1.085} D. {-3.500}
Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.-(-2)-2
A. - 
B. 4
C. 
D. -4