Solve the equation after making an appropriate substitution.x +  = 30

A. {5}
B. {6}
C. {25}
D. {36}


Answer: C

Mathematics

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Find the area enclosed by the given curves.y = sin x, y = csc 2 x,  ? x ? 

A. 1 - 
B.  + 
C.  - 
D.  - 

Mathematics

Find the inverse using composition.f(x) = (x - 2)2 + 3 , x ? 2

A. f-1(x) =  + 2
B. f-1(x) =  - 3
C. f-1(x) = 3x2 + 2
D. f-1(x) =  - 2

Mathematics

Solve.The outline of a certain planet can be considered a circle with a radius of approximately 4000 miles. Thus, if the center of this planet is located at (0, 0), then an equation for this circle is . Suppose an incoming meteor is approaching the planet in a hyperbolic path. The equation describing the meteor's path is  Will the meteor strike the planet? If so, locate the point (x, y) where the meteor will strike. Assume that x and y are both positive, and round to three significant digits.

A. Yes, at the point (x, y) ? (5370, 6690) B. Yes, at the point (x, y) ? (4710, 4000) C. Yes, at the point (x, y) ? (7590, 4000) D. No, the meteor will not strike the planet.

Mathematics

Use Cramer's rule to solve the system of linear equations. 9x - 4y = -4-2x - 2y = -2

A. (-1, 0) B. (1, 0) C. (0, -1) D. (0, 1)

Mathematics