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consuelo williams

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Perform the indicated operations and simplify. $4 + \frac{1}{a + 2} - \frac{4a}{a - 2}$

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Young children attempt to divide the objects they perceive in three general categories (within 1st year)

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Viruses are ______ entities that cause a variety of diseases among all groups of organisms. unicellular acellular eukaryotic prokaryotic multicellular

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Exercice 1: Propose a class diagram relating to the following code (Reverse Engineering) public class Advertiser { private Set accounts; public Advertiser() { accounts = new HashSet(); } public void addAccount (Account a) { accounts.add(a); a.setOwner(this); } public void removeAccount (Account a) { accounts.remove(a); a.setOwner(null); } } public class Account { private Advertiser owner; public void setOwner (Advertiser newOwner) { if (owner != newOwner) { Advertiser old = owner; owner = newOwner; if (newOwner != null) newOwner.addAccount(this); if (oldOwner != null) old.removeAccount(this); } } } Exercice 2: Translate into java the following UML class diagram. PizzaBoom - quantitySold: integer[] + PizzaBoom (size: integer) + sellPizza(var: string, sze: integer, nbsold: integer) + logSales(fileName: string) + displaySalesFromFile(fileName: string) + storeInObjectFile(fileName: string) + displayMenuBySizeFromFile(fileName: string, minSize: integer) Pizza -menu 1..n variety: string size: integer + Pizza(var: string, sze: integer)

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Given.\\ $\int_0^1 31 \cos(x^2) dx$\\ Do the following.\\ (a) Find the approximations $T_n$ and $M_n$ for the given integral. (Round your answer to six decimal places.)\\ $T_n = 20.753655$\\ $M_n = 20.829259$\\ (b) Estimate the errors in the approximations $T_n$ and $M_n$ in part (a). (Use the fact that the range of the sine and cosine functions is bounded by 1 to estimate the maximum\\ error. Round your answer to seven decimal places.)\\ $|E_n| \le 0.1796875$\\ $|E_n| \le 0.0898438$\\ (c) How large do we have to choose $n$ so that the approximations $T_n$ and $M_n$ to the integral are accurate to within 0.0001? (Use the fact that the range of the sine and cosine\\ functions is bounded by 1 to estimate the maximum error.)\\ $n \ge 340$ for $T_n$\\ $n \ge 240$ for $M_n$

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Ho: Arm is used consistently \( \mathrm{Ha}_{\mathrm{a}} \) Much busi on some days ot week \[ x=\sum \frac{(0 i-E i)^{2}}{-} \] The young bank manager is still struggling wi th finding the best way to staff her branch. \( S \) he knows that she needs to have more tellers on Fridays than on other days, but she is tryi... INTRO STATS/AP STATISTICS

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A certain radio transmitter uses an electric dipole antenna with its length oriented vertically. a. In which direction(s) does this antenna radiate the strongest electromagnetic wave(s)? b. What is the polarization state (if any) of these waves? c. In which direction(s) does this antenna radiate the weakest (or no) EM wave(s)? d. A circular loop magnetic dipole antenna is some distance away at the same height as the transmitting antenna. How should this loop antenna be oriented to pick up the transmitted signal most strongly by magnetic induction? Please explain your answer, including any helpful diagram(s).

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3.7 If the eccentricity of the elliptical orbit is 0.5. calculate, in terms of the period $T$, the time required to fly from P to B. {Ans.: 0.1707}

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QUESTION 1 10 ? 4? a W + -3 V 5 V b + 3? I1 I2 + 2 V In Fig. 26-30 the currents $I_1$ and $I_2$ are equal to 0.13 A and 2.22 A respectively. What is the potential difference $V_a - V_b$? A) -3 V OA OB OC OD F B) 2.4 V C) -1.7 V D) 0 E) 5.0 V 5 points

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Question # 1: Explain different Chomsky Classification of Grammars with examples This is a long Question so need a detailed answer which covered each and everything.

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