Find the flux of the curl of field F through the shell S.F = -5zi - 4xj - 4yk ; S: r(r, ?) = r cos ?i + r sin ?j + 3rk, 0 ? r ? 3 and 0 ? ? ? 2?
A. 36?
B. -36
C. -36?
D. 0
Answer: A
Mathematics
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Use the method of undetermined coefficients to solve the differential equation.
- 9 
+ 18y = -13 - ex; 
= 
and y = - 
when x = 0
A. y = - 
e3x + 
e6x - 
+ 
ex
B. y = - 
e3x + 
e6x + 
- 
ex
C. y = - 
e3x + 
e6x - 
- 
ex
D. y = - 
e3x - 
e6x - 
- 
ex
Mathematics
According to the text, the final responsibility for effective strategic management lies with whom?
A. board of directors B. customers C. shareholders D. strategic leaders
Mathematics
Divide. If the division is not possible, write "undefined."30 ÷ 5
A. 6 B. 7 C. 5 R4 D. 5 R5
Mathematics
Find the area.
A. 779 yd2 B. 902.5 yd2 C. 1805 yd2 D. 722 yd2
Mathematics