can someone show and explain step by step how to do

| August 30, 2017

Question
I have two problems I need help on, can someone show and explain step by step how to do the problems? For #1, how would you differentiate and solve the inital-value problem? For #2, I don’t understand what I am doing wrong with the problem..I am sure it is a decay problem(?) using the equation Y(t) = Yo * e^KT ..I kept on getting the incorrect answer.. 1) 8sin^2(y) dx + 8cos^2(x) dy = 0 , y(π/4) = π/4 2) Wood deposits recovered from an archaeological site contain 40% of the carbon-14 they originally contained. How long ago did the tree from which the wood was obtained die? (The half-life of carbon C-14 is 5730 years. Round your answer to the nearest year.)

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