Numerade

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Using the weekly salary you calculated above, how much would Marco earn per month (assume that there are four weeks in every month)? $/month Correct View solution (4) What percentage of his monthly salary should Marco set aside to pay for the laptop within six months? As mentioned, the new laptop computer costs $1,200. Marco is considering a payment plan that would give him six months to pay for the computer, with no interest charged. Assume there are no taxes or other fees that would increase the total cost of the laptop. Round to the nearest hundredth of a percent (two decimal places).

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Iz Instructions nl exam ends at 11:59pm on 05/01/2024. Question 1 Which of the following is NOT a way to insert the SUM function into a cell? Ctrl + = Insert the AutoSum function from the Formulas tab Insert the AutoSum function from the Home tab Alt + =

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Explain how you could verify Ire ze" dr = ze" - e + C Take the derivative of the right hand side. If it matches the integrand, then this equation is correct. O Use u-substitution to find the antiderivative on the left. O Take the derivative of the integrand. If it matches the right hand side, then this equation is correct.

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Current Attempt in Progress (a) Use a graph of the integrand to make a rough estimate of $\int_0^2 t^3 dt$. The area under the graph of the integrand between $t = 0$ and $t = 2$ is approximately % of the area of the rectangle 2 units by 9 units. Therefore the integral is approximately 20 30 40 60 (b) Evaluate the actual value of $\int_0^2 t^3 dt$ using a computer or calculator. Round your answer to four decimal places. $\int_0^2 t^3 dt = $ eTextbook and Media Save for Later Attempts: unlimited Submit Answer

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Part C Using Slater's rules, calculate $Z_{eff}$ for N. Express your answer to three significant figures. $Z_{eff} = 2.05$

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3) Using variation of parameters, find the solution to the following nonhomogeneous ODE (20 points each) i) $2y'' + 8y' + 8y = cos(x)$ ii) $y'' - 4y = e^{2x}$ iii) $y'' + 4y = cos(3x)$ y(0) = 1, y'(0) = 1 y(0) = 2, y'(0) = 0.5 y(0) = 1, y'(0) = 1

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3. For the following questions, you may use any resources you wish to answer them. You must write your solutions by hand, cite all your references, and show all your calculations. [a] When you are talking on a particular model of cell phone, it is using charge at a rate of about 0.4 amps. If that cell phone's battery has a capacity W milli-Amp-hours (mAh), about how long will you be able to talk on your phone before you need to recharge? Give your answer in hours, [b] Watch the physics concept trailer videos for Chapters 18 and 19 of the OpenStax College Physics textbook at youtube.com/watch?v=SglzRDDIONI (Electric Fields V2) and youtube.com/watch?v=COKBImkkJKw (Capacitors) respectively. Write at least one sentence about each video's content, describing some things that interested you about them. [c] Watch the FIRST 12 MINUTES of the video youtube.com/watch?v=2YZ9417TpYE (Electrical activity in the heart). Take notes, and then in 30-50 words, write down at least three different concepts or facts that you found interesting that supplements without duplication the information about electrical systems in the human body presented in the video lecture - at least one in the first 4 minutes, one in the next 4 minutes, and one in the remainder of the video. [d] Do the same for the Harvard Extension School video youtube.com/watch?v=oa6rvUJlg7o (Action Potential in the Neuron).

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8. The following are numbers written either in symbols or in Write True if the number is correctly written in its corres symbol or words. Write False if it is not written correctly. 1. 3912-Three thousand, nine hundred twelve 2. 1410-One thousand, one hundred forty-one 3. Eight thousand, one hundred sixty-three-8 163 4. Four thousand, nine hundred twenty-one -4 219 5. Seven thousand, three hundred eighty-two - 7 382

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$\lim_{x \to \infty} \frac{x\sqrt{x} + \sqrt[3]{x^2} + 2}{x\sqrt{x^3} + 1}$

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20 Joe spent 2/3 of his pocket money on a new bike. If he spent £84, how much pocket money did he have in the beginning?

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gabriela p.