Solve the problem.The gravitational force (in lb) of attraction between two objects is given by 
where x is the distance between the objects. If the objects are 5 ft apart, find the work required to separate them until they are 50 ft apart. Express the result in terms of k.
A. 
k
B. 
k
C. 
k
D. 
k
Answer: D
Mathematics
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Solve the following system of equations by graphing. Round your answers to two decimal places.
What will be an ideal response?
Mathematics
Find the intersection.{b, c, d, e, f} ? {g, h, i, j, k}
A. {b, c, d, e, f, g, h, i, j, k} B. {b, c, d, e, f} C. ? D. {f, g}
Mathematics
Work the application and answer with a complete sentence.Sean has $65 in his checking account. After he writes a check for $222, what is new account balance?
A. His new account balance is -$157. B. His new account balance is -$287. C. His new account balance is $287 D. His new account balance is $157.
Mathematics
Determine whether the three points are collinear.(-3, -7), (0, -1), (6, 11)
A. Yes B. No
Mathematics