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