Solve the differential equation subject to the given condition. Note that y(a) denotes the value of y at t = a. 
= -6y, y(0) = 15
A. y = 6e-15t
B. y = e-6t + 15
C. y = 15e-6t
D. y = -15e6t
Answer: C
Mathematics
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?
?
A. 
B. 
C. 
D. 
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Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
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Find the quotient and simplify.
÷ 
A. 
B. 
C. y - 8
D. 
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Decide if the given number is a solution to the given equation.7y + 7(y - 7) = 77; 9
A. Yes B. No
Mathematics