For the following triangle, calculate the indicated trigonometric ratio of the given angle. Do not use the trigonometric function keys on your calculator. (Round to the nearest hundredth.)
A. 0.78
B. 0.63
C. 1.24
D. 0.27
Answer: A
Mathematics
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Evaluate the expression.(-2)4
A. 16 B. -16
Mathematics
Orthogonally diagonalize the matrix, giving an orthogonal matrix P and a diagonal matrix D.
A.
P = 
, D = 
B.
P = 
, D = 
C.
P = 
, D = 
D.
P = 
, D = 
Mathematics
Perform the indicated operation.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the least common denominator.
, 
A. (x + 6)(x - 4) B. (x + 5)(x + 6) C. (x - 5)(x - 6)(x - 4) D. (x + 5)(x + 6)(x - 4)
Mathematics