Solve the problem.Sun Woo Kim invested $2500 at 4% compounded semiannually. How much will be in the account after 8 years? Round to the nearest cent.
A. $3431.96
B. $4682.45
C. $3421.42
D. $2929.15
Answer: A
Mathematics
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Match the equation with the surface it defines.
+ 
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A. Figure 1 B. Figure 2 C. Figure 3 D. Figure 4
Mathematics
Find all the second order partial derivatives of the given function.f(x, y) = x ln (y - x)
A. 
= 
; 
= - 
; 
= 
= 
B. 
= 
; 
= - 
; 
= 
= 
C. 
= 
; 
= - 
; 
= 
= - 
D. 
= 
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= 
Mathematics
Solve the problem.A vector F represents a force that has magnitude 4 pounds, and 35° is the angle for its direction. Find the work done by the force in moving an object from the origin to the point (7, 0). Distance is measured in feet. Round the answer to one decimal place, if necessary.
A. 16.1 ft-lb B. 22.9 ft-lb C. 24.2 ft-lb D. 45.9 ft-lb
Mathematics
Subtract.0.78 - 0.8
A. 0.624 B. -1.48 C. -1.58 D. -0.02
Mathematics