Solve the problem.Solve the differential equation model of radioactive decay: = -0.6Q.

A. Q(t) = Q0e-t
B. Q(t) =  + Q0
C. Q(t) = -Q0ln 0.6t + c
D. Q(t) = Q0e-0.6t

Answer: D

Mathematics

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A. i + j + k
B. i + j + k
C. i + j + k
D. i + j + k

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A.
B. 6
C. 1
D. -6

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Solve using the quadratic formula.9x2 + 21x + 10 = 0

A. - , -  
B. - , -  
C. ,  
D. , - 

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What will be an ideal response?

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Mathematics