Solve the problem.An object is rolling with a driving force that suddenly ceases. The object then rolls 10 meters in the first second, and in each subsequent interval of time it rolls 80% of the distance it had rolled the second before. This slowing is due to friction. How far will the object eventually roll?
A. It will roll an infinite distance.
B. 20.0 m
C. 12.2 m
D. 50.0 m
Answer: D
Mathematics
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Simplify the expression. Assume all variables represent nonzero real numbers.48 ? 45
A. 1640 B. 440 C. 413 D. 813
Mathematics
Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.
A. Monomial; variable x; coefficient 4; degree 1 B. Monomial; variable x; coefficient 4; degree 0 C. Monomial; variable x; coefficient 4; degree -1 D. Not a monomial
Mathematics
Determine whether the equation defines y as a function of x.y = 
A. Yes B. No
Mathematics
Solve the problem.Find the present value of the deposit. $10,000 at 8% compounded quarterly for 5 years. Round to the nearest cent.
A. $14,859.47 B. $14,819.47 C. $6769.71 D. $6729.71
Mathematics