Solve the equation.
= 
A. 0, 36
B. 0, 
C. 4, 6
D. 0
Answer: C
Mathematics
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Solve the differential equation subject to the given condition. Note that y(a) denotes the value of y at t = a. 
= ky where k is a constant, y(0) = 500, y(11) = 3600
A. y = 500t0.18 B. y = 5000.16t C. y = 500e0.18t D. y = 500e0.16t
Mathematics
Solve.x - 5 = 
A. 9, 1 B. 21 C. 1, -9 D. 4, -4
Mathematics
Evaluate, if possible-
A. Not a real number B. -2 C. -9 D. -3
Mathematics
Solve the problem.The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by 
where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the hydrogen ion concentration if the 
A. 1.39 B. 10-4 C. 0.25 D. 104
Mathematics