Find the unknown length in the right triangle. Simplify the answer if necessary.

A. 27
B. 39
C. 33
D. 3


Answer: B

Mathematics

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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = csc(cot x)

A. y = csc u; u = cot x;  = csc(cot x) cot(cot x) csc2 x
B. y = cot u; u = csc x;  = csc2(csc x) csc x cot x
C. y = csc u; u = cot x;  = csc3 x cot x
D. y = csc u; u = cot x;  = - csc(cot x) cot(cot x)

Mathematics

Solve.Find the perimeter of the figure below.

A. 15.49 cm B. 21.79 cm C. 14.32 cm D. 8.02 cm

Mathematics

Use technology to calculate det A.A = 

A. 44 B. 92 C. -124 D. -92

Mathematics

Solve.The pitch of a screw is the distance between threads. With each complete rotation of the screw, it goes in or out a distance equal to its pitch. How far will a screw with a pitch of  in. go into a piece of wood when it is turned 10 complete rotations clockwise?

A.  in.
B.  in.
C.  in.
D.  in.

Mathematics