Perform the matrix operation.Given A = 
and I = 
, find AI.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find 
.y = (8e)x
A. (8e)x B. (8e)x ln (8e) C. (8e)x (ex) ln 8 D. x(8e)x-1
Mathematics
Solve the initial value problem.
= 
, x > 3, y(6) = 2
A. y = sec-1 
+ 2
B. y = 
sin-1 
+ 2
C. y = 
sec-1 
+ 2 - 
?
D. y = 
sec-1 
+ 2
Mathematics
Solve.Two airplanes leave an airport at the same time, one going northwest at 405 mph and the other going east at 326 mph. How far apart are the planes after 3 hours (to the nearest mile)?
A. 1618 mi B. 1730 mi C. 2028 mi D. 676 mi
Mathematics
Solve the problem.The weight of a liquid varies directly as its volume V. If the weight of the liquid in a cubical container 5 cm on a side is 375 grams, find the weight of the liquid in a cubical container 4 cm on a side.
A. 12 grams B. 64 grams C. 44 grams D. 192 grams
Mathematics