Find the reciprocal.
A. 
B. 
C. 
D. 3
Answer: C
Mathematics
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Multiply and simplify.
? 
A. 
B. 
C. - 
D. - 
Mathematics
Find the integral by using integration by parts or other techniques. Round the answer to four decimal places if necessary.
A. (x2 - x) ln 2x - x2 + x + C
B. (x2 - x) ln 2x - 
+ x + C
C. (x2 - x) ln 2x - 
+ 2x + C
D. (
- x) ln 2x - 
+ x + C
Mathematics
Subtract.
Fill in the blank(s) with the appropriate word(s).
Mathematics
A straight road makes an angle, A, of 11
with the horizontal. When the angle of elevation, B, of the sun is 52
, a vertical pole beside the road casts a shadow 6 feet long parallel to the road, see figure. Approximate the length of the pole. Round answer to two decimal places.
A. 1.86 feet
B. 5.63 feet
C. 6.39 feet
D. 7.68 feet
E. 5.00 feet
Mathematics