Write an equivalent fraction using the given denominator.
= 
A. 98
B. 42
C. 49
D. 7
Answer: C
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A value of sinh x or cosh x is given. Use the definitions and the identity 
to find the value of the other indicated hyperbolic function.sinh x = - 
, sech x =
A. 
B. 
C. 
D. - 
Solve the right triangle ABC with C = 90°. Your answer should give an angle in decimal degrees when given an angle in decimal degrees and in degrees and minutes when given an angle in degrees and minutes. Use the rules for significant digits.B = 64.23°, b = 28.57 cm
A. A = 25.77°, a ? 13.79 cm, c ? 65.71 cm B. A = 25.77°, a ? 13.79 cm, c ? 31.73 cm C. A = 25.77°, a ? 59.18 cm, c ? 65.71 cm D. A = 25.77°, a ? 59.18 cm, c ? 31.73 cm
Solve by transforming the augmented matrix into row echelon form.
A. no solution B. (3, -1, -5) C. (-1, -5, 3) D. (3, -5, -1)
Use the definition of equality of complex numbers to find the real numbers x and y such that the equation is true.6 + yi = x + 
A. x = 6, y = 4 B. x = -6, y = 4 C. x = 6, y = -4 D. x = -6, y = -4