Find the requested partial derivative.f(x, y) = 
; fx(2, -5)
A. - 
B. 
C. - 
D. 
Answer: D
Mathematics
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Find an equation of variation in which the following are true.y varies jointly as x and z; y = 250 when x = 25 and z = 15
A. y = 
xz
B. y = 
C. y = 93750xz
D. y = 
Mathematics
Evaluate the determinant.
A. -81 B. -51 C. 233 D. 51
Mathematics
Solve the problem.Find the volume of a box 13 m × 12 m × 23 m.
A. 6348 m3 B. 3588 m3 C. 1872 m3 D. 3887 m3
Mathematics
Simplify the expression.
A. x15y14 B. -x9y9 C. x9 + y9 D. x9y9
Mathematics