Find the angle between the given vectors to the nearest tenth of a degree.u = 
, v = 
A. 36.3°
B. 92.5°
C. 102.5°
D. 46.3°
Answer: B
Mathematics
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Combine like terms.15x - 7y - 6x - 5y
A. 9x - 2y B. -9x - 12y C. -9x - 2y D. 9x - 12y
Mathematics
Evaluate the improper integral.
A. 288(1 - ln 2) B. 48(1 - ln 2) C. 96(1 - ln 2) D. 576(1 - ln 2)
Mathematics
Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 4
B. 
; 2
C. 
; 2
D. 
; 4
Mathematics
Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.A sphere with radius 5 cm
A. 294.4 cm3 B. 4186.7 cm3 C. 523.3 cm3 D. 104.7 cm3
Mathematics