Find zw or 
as specified. Leave your answer in polar form.z = 10(cos 45° + i sin 45°)w = 5(cos 15° + i sin 15°)Find 
.
A. 
(cos 45° + i sin 45°)
B. 2(cos 30° + i sin 30°)
C. 
(cos 30° + i sin 30°)
D. 2(cos 45° + i sin 45°)
Answer: B
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region enclosed by the parabolas y = - x2 + 32 and y = x2
A. 
= 0, 
= 16
B. 
= 0, 
= 
C. 
= 16, 
= 0
D. 
= 0, 
= 32
Mathematics
Solve the inequality algebraically.-3.8x + 8.1 > 16.08
A. x < 2.1 B. x < -2.1 C. x > 2.1 D. x > -2.1
Mathematics
Find  figure.png)
for the function f(x, y) = 4x³y - 7xy².
What will be an ideal response?
Mathematics
Add.7 + (-9) + 13 + (-15) + 6 + (-18)
A. -16 B. -24 C. -42 D. -68
Mathematics