Determine the real solutions to the system of nonlinear equations.xy = 20x + y = 9
A. (20, 1), (1, 20)
B. (10, 2), (2, 10)
C. (6, 3), (3, 6)
D. (5, 4), (4, 5)
Answer: D
Mathematics
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A. 0
B. 2?
C. 
D. ?
Mathematics
Provide an appropriate response.Which is the better series discount, 10/20 or 10/10/10? Explain.
What will be an ideal response?
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Solve the problem.A rock falls from a tower that is 117.6 m high. As it is falling, its height is given by the formula 
with t in seconds. How many seconds will it take for the rock to hit the ground (h = 0)?
A. 2822.4 sec B. 10.6 sec C. 10.8 sec D. 4.9 sec
Mathematics
Use the given conditions to write an equation for the line in slope-intercept form.Passing through the point (3, 1) and perpendicular to y = -2x + 1
A. y = - 
x - 
B. y = -2x - 
C. y = 
x - 
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Mathematics