need answer asap, please answer everything, i promise to give you a good rating 221. f(s) =;A. VZsinyšts+8B.sinvõtcsinvētD. 2 sinvst25+622. f(s) =(a+3)=+ 25A 2e-3t cos5tB.e- cos5tCcosstD. 2e3 cos5123. f(s) =;3s+6B. e 2tDe24. f(s) =A etsin2t-4s+8B.e“sinztC. 2et sin4tDe"sindt25. f(s) =fat4)

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Answered: 21. f(s) = A. VZsinv8t B.sinvet D. 2…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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I need help with 19,20,21,22,23,24 Thank you so much
When I checked it says the answer is not 18
A snack company is preparing two mixtures of snacks from a supply of 110 pounds pretzels, 30 pounds pistachios, 10 pounds cheese puffs, 60 pounds sesame sticks, and 20 pounds toffee bites. Mixture X contains 55% pretzels, 20% pistachios, 5% cheese puffs, 20% sesame sticks, and no toffee bites, and sells for $7.99 per pound. Mixture Y contains 45% pretzels, 10% pistachios, no cheese puffs, 10 % sesame sticks, and 15% toffee bites, and sells for $5.99 per pound. If x = # of pounds of Snack X and y = # of pounds of Snack Y, determine the constraints on this linear programming problem. Inequality for pretzels [ Choose ] Inequality for pistachios ( Choose] Inequality for cheese puffs ( Choose ) Inequality for sesame sticks [Choose ] Inequality for toffee bits [ Choose ) Non-negativity inequalities [ Choose ] >
4. 225
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A student needs to answer 20 out of 30 questions on a test. Find the number of ways the student can choose if the student must answer the first 8 questions on the test.
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Question 1: Answer only two a - For v = n = integer, using generating function, prove that 2n Inti(x) =In(x) -In-1(x) Sx² Jo(x) /,(x) dx %3D b - Evaluate
Brock rides his bike 22 1/8 miles to the nature preserve. On his way home, after 16 1/5 miles, he stops at a deli for lunch. How far is Brock from home?
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21. f(s) = A. VZsinv8t B.sinvet D. 2 sinyBt 2s+6 (s+3)=+ 25 A 2e-3t cos5t 22. f(s) =; B.e- cos5t Ccos3t D. 2e cos5i 23. f(s) = 3s+6 B. et D.e 24. f(s) = %3D s-4s+8 A e라stn2t B.e"sin2t C. 2e" sin4t D.e sin4t