Numerade

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Write the following expression as the sine, cosine, or tangent of a double-angle. Then find the exact value of the expression. $$ \frac{2 \tan \frac{7 \pi}{12}}{1-\tan ^{2} \frac{7 \pi}{12}} $$ What is the given expression equal to? Select the correct choice below and fill in the answer box within your choice. (Simplify your answer. Type an exact answer, using pi as needed. Use integers or decimals for any numbers in the expression.) A. $$ \frac{2 \tan \frac{7 \pi}{12}}{1-\tan ^{2} \frac{7 \pi}{12}}=\cos \square $$ B. $$ \frac{2 \tan \frac{7 \pi}{12}}{1-\tan ^{2} \frac{7 \pi}{12}}=\sin \square $$ C. $$ \frac{2 \tan \frac{7 \pi}{12}}{1-\tan ^{2} \frac{7 \pi}{12}}=\tan \square $$

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Q7 $\lim_{x \to \infty} \frac{5 + 7x}{2 + 9x}$ (A) $\infty$ (B) 0 (C) 5/2 (D) 7/9 (E) None

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Proctoring Enabled: Quiz #2 11 A positive human capital externality occurs when 4 points Multiple Choice 00:26:17 a high-skilled immigrant decides not to move. both high-skilled and low-skilled immigrants move at the same time. a high-skilled immigrant brings skills which add to the skills of native workers. a low-skilled immigrant decides not to move. a low-skilled immigrant brings skills which are similar to those of native workers. < Prev 11 of 25 Next >

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How is the solubility of CO$_2$ effected by the warm water bath compared to room temperature?

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Question 3 5 pts True or False: only the United States House of Representatives can officially declare war on another country or confirm Presidential appointments to high level Executive / Judicial posts: O True O False

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Com Question 1 (1 point) Kim Kardashian measures the time it takes for subjects to press a button following a signal. This is a measure. interval Ordinal

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\lim_{\theta \to 0} \frac{\theta + 2}{\sin(4\theta + 8)}

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II. What is the output of the following StringBuffer methods. StringBuffer s1 = new StringBuffer("Life is the art of drawing"); StringBuffer s2 = new StringBuffer("Believe you can and you're"); StringBuffer s3 = new StringBuffer("Believe the best of everybody."); 1. s3.reverse(); 2. s2.append(" halfway there."); 3. s1.setCharAt(9, 'P'); 4. s1.insert(26, " without an eraser."); 5. s2.setLength(5);

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Which of the following statements is true? A Effector cells which produce and secrete most of the antibodies are T cells. B It's the variable region of the antibodies' structure which determines the type of immunoglobulines. C A person infected by a particular bacteria and presenting symptoms of a disease will develop an active immunity. D The protein molecules which protect the cells from a viral attack are collectively called nucleotides.

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3) Implement the following state diagram using D flip-flops. Show your state transition table, your state encoding, K-maps, and minimized equations. You do not need to draw the circuit. Reset Xo=1 Xo=0 A Zo=0 B Zo=1 Xo=0&X?=1 Xo=0&X1=0 Z?=0 Z?=0 Xo=0&X?=0, Xo=1&X?=1 Xo=1&X?=0, Xo=0&X?=1 C Zo=0 Z?=1 Xo=1 X?=0 D Zo=0 Z?=0 X?=1 Homework 4 1 of 1

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susan m.