Solve the problem.The perimeter of a rectangular garden is to be 50 feet. Find the length if the width is 5 feet.

A. 17 feet
B. 20 feet
C. 18 feet
D. 19 feet


Answer: B

Mathematics

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Find all the first order partial derivatives for the following function.f(x ,y, z) = (sin xy)(cos yz2)

A.  = (y cos xy)(cos yz2);  = (x cos xy)(cos yz2);  = -2(yz sin xy)(sin yz2)
B.  = (y cos xy)(cosyz2);  = (x cos xy)(cos yz2) - (z2 sin xy)(sin yz2);  = -2(yz sin xy)(sin yz2)
C.  = (y cos xy)(cos yz2);  = (z2 sin xy)(sin yz2)- (x cos xy)(cos yz2);  = 2(yz sin xy)(sin yz2)
D.  = (y cos xy)(cos yz2);  = (x cos xy)(cos yz2) - (z2 sin xy)(sin yz2);  = 2(yz sin xy)(sin yz2)

Mathematics

Find the vertical asymptotes, if any, of the graph of the rational function.f(x) = 

A. x = 0 and x = 9  B. x = 0 and x = -9 C. x = -9  D. no vertical asymptote

Mathematics

Solve.2y - 10 = 13 - y - 4y

A. - 3
B. - 7
C. 7
D. 3

Mathematics

Find the sum or difference, and write in lowest terms, if necessary. + 

A.  
B.
C. -  
D. -  

Mathematics