Multiply.(-8y)(-7y9)
A. -15y9
B. -56y10
C. 8y - 7y9
D. 56y10
Answer: D
Mathematics
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Solve the problem.Consider a fluid with a flow field F = x3y3i + 7z2j + zk. A miniature paddlewheel (idealized) is to be inserted into the flow at the point 
Find a vector describing the orientation of the paddlewheel axis which produces the maximum rotational speed.
What will be an ideal response?
Mathematics
Evaluate the integral by using a substitution prior to integration by parts.
A. 
- 
ln (x + 
) + C
B. 
+ 
ln (x + 
) + C
C. 
- 
ln (x + 
) + C
D. 
+ 
ln (x + 
) + C
Mathematics
Add in the indicated base. 
A. 12102three B. 10122three C. 10102three D. 20102three
Mathematics
Solve.
= 3
A. 3
B. 9
C. 
D. 
Mathematics