Find u ? v, where ? is the angle between the vectors u and v. Round the answer to the nearest tenth.
=4, 
= 8, ? = 157°
A. -34.8
B. -11
C. -13
D. -29.5
Answer: D
Mathematics
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A. No B. Yes
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Multiply.-5
(
- 3)
A. -5y - 15
B. -5y + 15
C. -5y + 
D. -5
+ 15y
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Find an equation of variation for the given situation.y varies inversely as x and y = 36 when x = 
A. y = 
B. y = 
C. y = 
D. y = 
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Find the quotient and write in rectangular form. First convert the numerator and denominator to trigonometric form.
A. - 
- 
i
B. 
- 
i
C. 
+ 
i
D. - 
+ 
i
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