Numerade

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Problem 3. (a) Let $B = \begin{pmatrix} 0 & 1 \\ -1 & 0 \end{pmatrix}$. Evaluate $e^{Bc}$, where $c \in \mathbb{R}$ is a constant. (b) Let $A = \begin{pmatrix} a & b \\ -b & a \end{pmatrix} = aI + bB$. Evaluate $e^{At}$. (c) Use the matrix exponential to solve the system $\vec{x}' = A\vec{x}$. (d) Use the matrix exponential to solve the system $\vec{x}' = A\vec{x} - \begin{pmatrix} b \\ a \end{pmatrix}$.

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Which dinosaur groups likely hunted prey smaller than themselves? Which dinosaur groups likely hunted prey smaller than themselves?

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Test 2 Chapters 6-10 FA22 (Offici: Test 2 Chapters 6-10 FA22 (Officia Bayan Abushanab nylab.pearson.com/Student/PlayerTest_aspx?canvas_enrollment_state $ = $ active\&canvas_user_id=1213208channel_partner_name $ = $ r... This test: 100 point(s) possible This question: 2 point(s) possible Submit test 6-10 FA22 (Official) Question 2 of 50 Amazon, Inc. has a beta of 1.58 . If the expected market return is 15.0 percent and the risk-free rate is 8.0 percent, what is the appropriate required return of Amazon (using the CAPM)? On your scratch paper, show the question number and your work. Using the CAPM, the appropriate required return of MFI is $ \square \% $. (Round to two decimal places.) $ \square $

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Question 22 True or False: Rumination often reduces our negative emotions. O True O False 2 pts

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There are several drivers of higher costs of healthcare. Which of the following is not a major reason for the high cost of health care in the United States?

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Which of the following particle diagrams most accurately represents the * 6 point products of a reaction between $ \mathrm{KF}(\mathrm{aq}) $ and $ \mathrm{BaCl} 2(\mathrm{aq}) $ ? Water molecules have been omitted for clarity. $ \mathrm{BaCl}_{2}+\mathrm{KF} \rightarrow \mathrm{KCl}+\mathrm{BaF}_{2} $ $ A $ B C D

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In double DES, two different keys (k1, k2) are used to encrypt the plaintext to ciphertext. Why isn't it twice as secure as DES? Explain briefly.

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Deduce the structure from given proton NMR, ¹³C NMR, mass spectrum, IR spectrum, and UV spectrum. IR Spectrum CHCl3 solution 151 1338 2000 1600 V (cm-1) 1200 800 4000 3000 Mass Spectrum UV Spectrum 100 M+ = 153 123 80F of base peak 40 20 max 227 nm log & 3.9 max 305 nm log 4.0 solvent methanol C?H?NO3 80 120 160 m/e 200 240 280 40 13C NMR Spectrum 1000 MHz CDCI3 solution DEPT CHCHCH solvent proton decoupled 40 0 ppm) 200 160 120 80 1H NMR Spectrum 400 MHz, CDCI3 solution expansion 8.0 7.0 ppm TMS 6 5 4 3 2 1 0 (ppm) 10 9 8 7

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Jordan Corporation produces Products X and Y from a single input in a joint production process. Total joint processing costs are $200,000. Units produced Per unit sales value at split-off Per unit sales value if processed further Total costs to process further Product X 2,000 $ 48.00 $ 55.00 $ 20,000 Product Y 2,000 $ 52.00 $ 70.00 $ 38,000 Based on the information above, which of the products should be processed further? a. Product X Product Y Yes Yes b. Product X Product Y Yes No c. Product X Product Y No Yes d. Product X Product Y No No

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C12R.1 Suppose that in 2031 you invent the first practical teleportation device. The only problem is that (since energy must be conserved) the device must do something with any gravitational potential energy changes involved when you teleport to a different altitude. Suppose your device either gives this energy to or takes it from the thermal energy of the teleported person. You need to warn people using the device not to exceed certain elevation changes. What would be wise safe limits, do you think? Base your answer on sound medical science, and cite your source.

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ruben p.