Find the perimeter. Use 3.14 for ? when needed.
A. 30.84 m
B. 27.42 m
C. 21.42 m
D. 18.42 m
Answer: C
Mathematics
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Find all the second order partial derivatives of the given function.f(x, y) = xye-y2
A. 
= 0; 
= 2xye-y2(2y2 - 3); 
= 
= e-y2(1 - 2y2)
B. 
= ye-y2; 
= 2xye-y2(y2 - 1); 
= 
= e-y2(1 - y2)
C. 
= ye-y2; 
= 2xye-y2(2y2 - 6); 
= 
= e-y2(1 - 2y2)
D. 
= 0 ; 
= 2xye-y2(2y2 - 3); 
= 
= e-y2(1 - y2)
Mathematics
Use the amortization table to find the monthly payment for the loan.AMORTIZATION (PRINCIPAL AND INTEREST PER THOUSAND DOLLARS)
What is the monthly payment on a 10-year loan of $84,900 if the annual interest rate is 6%?
A. $953.43 B. $942.39 C. $607.88 D. $716.56
Mathematics
Find the determinant of the matrix.
?
?
A. 
B. 50
C. 51
D. 
E. 
Mathematics
Solve by completing the square.x2 + 2x = 7
A. -1 ± 
B. -1 ± 4
C. 1 + 
D. -2 ± 
Mathematics