Evaluate. 
A. - 
+ 
+ C
B. 
+ 
+ C
C. - 
- 
+ C
D. 
- 
+ C
Answer: D
Mathematics
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Solve the equation. Round to the nearest tenth, if necessary.A ball is dropped from a cliff that is 224 ft high. The distance S (in feet) that it falls in t seconds is given by the formula S = 16t2. How many seconds will it take for the ball to hit the ground?
A. 15 sec B. 3.7 sec C. 3136 sec D. 14.4 sec
Mathematics
Find the scalar tangential and normal components of acceleration of a particle with position vector r(t) = 3 sinti+3 costj+5tk.
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Mathematics
Factor by grouping.6x - 48 + xy - 8y
A. (x - 8y)(6 + y) B. (y - 8)(6x + y) C. (y - 8)(x + 6) D. (x - 8)(6 + y)
Mathematics
Evaluate the integral.
A. 
?3
B. 504?3
C. 1176?3
D.
| 1848?3? |
Mathematics