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Study Resources (Algebra)

Questions on Simplex algorithms and Sensitivity analysis: By using simplex algorithm to solve a linear program with to be maximized, under which condition the problem has unique optima Assume by Simplex algorithm, we obtain the following two optimal solutions in two tableaus, how can you express all.
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Ra-228isradioactive,whichisdecayingex- ponentially with half life as of 15.25 years. Suppose the initial amount of strontium is 100 grams. (a) Find the decaying model. (b) How much does it leave after 15 years? (c)How long does it take for the strontium to decay to 60% of the original mass? (d)How fast.
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