Solve the problem.The orbit of a planet in a distant system is an ellipse with a sun at one focus. For x and y in millions of miles, the equation of the orbit is  Find the smallest distance (the perigee) from the planet to the sun. (Use the fact that  where 

A. 90.4 million mi
B. 81.7 million mi
C. 73 million mi
D. 72.6 million mi


Answer: C

Mathematics

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Solve the problem.Maxwell's theory of electromagnetic waves established that electromagnetism moved through space in waves. Under certain conditions, an equation that Maxwell used to explain the motion of such waves would take the form  where ? is the angle of incidence of the original wave, ? is the angle of incidence of the wave when reflected, A is the amplitude of the original wave, and B is the amplitude of the wave when reflected. Find the value of  when -4.0px;" /> and  Round to four decimal places.

A. 0.3417
B. -0.9245
C. 0.4789
D. -0.3492

Mathematics

For the polynomial, one zero is given. Find all others.P(x) = x3 - 7x2 + 15x - 25; 5

A. 1 + 2i, 1 - 2i
B. 1 + i, 1 - i
C. -1 + 2i, -1 - 2i
D. 1 + , 1 - 

Mathematics

Multiply and simplify. ? 3b

A. b
B.
C.
D. 11b

Mathematics

For the given whole number, determine the place value of the digit 3.30,542

A. tens B. ten-thousands C. hundred-thousands D. thousands

Mathematics