Solve the problem.The velocity v of a meteorite approaching the earth is given by 
kilometers per second, where d is the meteorite's distance from the center of the earth and k is a constant. What is the velocity of a meteorite that is 2000 kilometers away from the center of the earth, if 
Give your answer as a simplified radical.
A. 3000
kilometers per second
B. 
kilometers per second
C. 
kilometers per second
D. 
kilometers per second
Answer: C
Mathematics
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Assume you have a graph with vertex set V = {A, B, C, D, E} and edge set E = {CD, CB, DA, DB, EA, AA}.How many paths are there from B to A?
A. 4 B. 2 C. 1 D. 0 E. None of these are true.
Mathematics
Find the exact value of the expression.sin
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The ages and lengths of several animals of the same species are recorded in the following table: 
Find and then use a linear model to determine the age of an animal whose length is 30 inches. Round to the nearest year.
A. 32 yr B. 29 yr C. 31 yr D. 30 yr
Mathematics
Determine the vertex of the graph of the parabola.y = - x2 + 2x - 1
A. (0, 1) B. (0, -1) C. (-1, 0) D. (1, 0)
Mathematics