A system has a characteristic equations3+ 9s2+ 2s+ 24 = 0. Using the Routh-Hurwitz criterion, show that the system is unstable. Then calculate the closed-loop poles of thesystem and discuss why the system is unstable

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Which of the following expressions is equal to 2x^2+8