Solve the problem.Suppose that the population of a town can be approximately modeled by the formula 
where t is the time in years after 1980 and P is the population of the town in thousands. Find an expression for 
in terms of t.
A. dP/dt = 
B. dP/dt = 
C. dP/dt = 
D. dP/dt = 
Answer: C
Mathematics
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Solve the problem.In a complete graph with 45 edges there is a total of
A. 11 vertices. B. 9 vertices. C. 10 vertices. D. 15 vertices. E. none of these
Mathematics
Factor the perfect square trinomial completely.x4 + 10x2 + 25
A. (x2 - 5)2 B. (x2 + 5)2 C. (x2 + 10)(x2 - 10) D. (x2 + 5)(x2 - 5)
Mathematics
Solve.The weight of a liquid is directly proportional to its volume V. If the weight of the liquid in a cubical container with side length 3 cm is 81 g, find the weight of the liquid in a cubical container 5 cm on a side.
A. 15 g B. 110 g C. 125 g D. 375 g
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Mathematics