Numerade

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According to the punctuated equilibria model, _______. ○ A) most new species accumulate their unique features relatively rapidly as they come into existence, then change little for the rest of their duration as a species B) most evolution occurs in sympatric populations C) given enough time, most existing species will branch gradually into new species D) speciation is usually due to a single mutation

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What are Piaget's Stages of Cognitive Development? Select one: Crowds help adolescents define their own identities and the identities of others Operational concrete, Operational formal, pre, and semi None of the other answers Sensorimotor, Preoperational Concrete operations and Formal

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/ It is worth 1 point / You have unlimited attempts / There is no attempt penalty 28 Question (1 point) See section 1.3 1st attempt See Hint Is the following statement true, false, or impossible to determine? At a molecular level, the members of the two domains of prokaryotes-the archaea and bacteria-differ as much from each other as either does from the eukaryotes. Choose one: true false impossible to determine SUI 28/35

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For questions 2 and 3 consider the following hypothetical private label conduit deal structure: Class Size CE A 700,000 30.00% AJ 100,000 20.00% B 35,000 16.50% C 40,000 12.50% D 25,000 10.00% E (first loss) 100,000 2) (50 points) Assume the above deal has 450mm loans default with a 30% loss severity. a) What are the total losses on the defaulted loans and how much principal was recovered? b) Which classes take losses and how much? c) Which classes receive principal payments and par and how much? d) Please update the table below to reflect the new sizes and effective CE after the defaulted loans and payment of recovered principal. Class Size Original CE New CE A 30.00% AJ 20.00% B 16.50% C 12.50% D 10.00% E (first loss) 2) (20 points) Assume instead of having defaults the deal had 175mm loans defease. Please fill out the below table with new defeasance adjusted CE: Class Size Original CE Defeasance Adjusted CE A 700,000 30.00% AJ 100,000 20.00% B 35,000 16.50% C 40,000 12.50% D 25,000 10.00% E (first loss) 100,000

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1. (a) (i) Expand and simplify (2x + 3)(x - 4) (1 mark) (ii) Factorise $10x^2 - 5x$ (1 mark) (iii) Calculate the value of y when $(x^{1/2})(x^{-3}) = x^y$. (1 mark) (iv) Simplify $\frac{6}{2x+1} - \frac{3}{x+1}$ (2 marks) (b) Transpose the following formulae to make $P$ the subject: $Q = \frac{1}{aP+b}$ (2 marks) (c) Find the equation of the line passing through the points (2,6) and (10,4). (3 marks)

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46. What does the following code print? int k = 1; cout << k++ << ';' cout << ++k << endl; 47. What does the following code print? int k = 5; cout << --k << ';' cout << k-- << endl; 48. What does the following code print? int x = 1; int y = 0; { int x = 2; y = x + x; { } int y = 4; x = y + 1; } cout << x << '' << y << endl;

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minimize 3 X1 - 1 X2 + 10 X3 subject to constraints 9 X1 - 2 X2 + 2 X3 <= 1556 2 X1 - 3 X2 >= 354 X1, X2 >= 0 AND X3 is unrestricted

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blem 2 (25 Points) A boy controls a drone that flies overhead with a constant speed of 1.5 m/s in a straight line as shown. For the instant shown, $r = 10$ m and $\theta = 35^\circ$. Determine: a) $\dot{r}$ and $\dot{\theta}$; and b) $\ddot{r}$ and $\ddot{\theta}$.

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3.22 The following figure is the negative of the image used in Example 3.12. The small squares containing the faint, embedded features are now lighter than the image background, as are the features themselves. The global mean and standard deviation of this image are 94.3 and 103, respectively. The maximum intensity in the image is 255, which occurs in the areas containing the features of interest. The maximum intensity of the features is 253. The minimum intensity in the image is 27 and the minimum intensity of the features is 245. The objective is the same as in Example 3.12: To enhance the areas containing the features so that they become clearly visible. Which of the parameters in Eq. (3-38) would you change, and which could you leave the same? Why?

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Problem 1 (25 points) For a RLC circuit with source $V_s(t) = 5sin2t$ (V), initial capacitor voltage $V_c(0) = 1V$, and R = 5 ? (1) (15 points) Please solve the circuit using the Laplace transform. (2) (6 points) Please solve the circuit using the Phasor (3) (4 points) Compare the solutions from (1) and (2). What are the differences?

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alex l.