Add or subtract. Express the answer as a mixed number.38
- 25
A. 11
B. 13
C. 12
D. 12
Answer: C
Mathematics
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Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Determine if the series converges or diverges; if the series converges, find its sum.
A. Converges; 
B. Converges; 
C. Converges; 
D. Diverges
Mathematics
Solve the problem.A satellite in a circular orbit 880.9 mi above the earth makes one complete orbit every 82.11 min. What is its linear speed? Use 3963 mi for the length of the radius of the earth.
A. 370.7 mi/min B. 67.41 mi/min C. 397,700 mi/min D. 58.99 mi/min
Mathematics
Use reduction formulas to evaluate the integral.
A. 
cos5 x - 
cos7 x + C
B. 
sin5 x - 
cos9 x + C
C. 
(sin7 x - sin9 x) + C
D. 
sin7 x - 
sin9 x + C
Mathematics