求解b iii 感謝{{(>_<)}}

-3a 1 Exam-type 32. Let A = 1) and B= (6) where a and b are constants. a (a) Find the range of values of a such that A is a non-singular matrix. (b) Suppose that A is a non-singular matrix. (i) Find A-l in terms of a. (ii) Find ABA- in terms of a and b. (iii) It is given that b= Using (b)(ii), find B" in terms of a and n, where n is a positive integer. a

麻煩幫我看一下第二張的三題 答案對不對

Story about Pearl Milk Tea 工約定報 Everyone knows The New York Times is the newspaper to read for the latest news in the US and around the world. However, on August 16, 2017, it ran a story on pearl milk tea, which is also known as 表示 boba tea, that treated the drink as something new and exotic. 1. and the paper's readers didn't hold back on calling them out on their mistake. First created in Taiwan over 30 years ago and popular throughout Asia, 遍及亞: 2._. In fact, dozens, if not hundreds , of pearl milk tea shops are in New York City alone . Therefore, for the story's writer to call the drink new and confusing to the American mainstream showed a lack of respect. That's because it assumed the American mainstream was made up of only white people and not people from all cultures. That was not the first time The New York Times presented food and customs from non-white cultures 拉麥面 as strange and exotic. For example, in 2004, it discovered ramen, which 3. in Japan in the 19th century. This just goes to show that there needs to be a better mix of people and cultures in newsrooms.

第九題可以這樣寫嗎 第二張圖是答案

8. Dorothy collected lots of stamps and cold some ot there and sold / yesterday / lots of stamps / some of them / collected yesterday. 19. Angus cut his finger a little and left blood on his short. cut his finger / a little / and left/ on his shirt / blood

我想請問10.為什麼不能選A 謝謝

PB) until } years. To eat fre flavor To prE Anoth 三 te (C) lest 11037 Did you know your surroundings may be influencing Pout ehditions and state of mind? Do you ever notice that certain places especially irritate you? Or that certain places are especially relaxing and calming? Well, there's a good chance that the colors in those spaces are 6. ; that is, color psychology is working on you. eg Take What is color psychology? According to scientists, it is based on the mental and emotional effects colors have on people in all aspects of life. For example, studies have shown that some whichevskople looking at the color red resulted in an 7. heart rate, which then led to additional you likedrenaline being pumped into the blood stream, thus exciting them. 8. yellow and orange, they are often associated with food and may give you _ 9. to eat something. That's why so many restaurants use these colors. 10. smart businessmen have already applied color psychology to marketing and advertising to promote more purchases. They will agree that there are benefits to understanding and utilizing the psychological effects of colors. 16.(a) playing a part (B) tickled pink Q making it (D) spiced up Cr. (A) reduced (B) decreased (C) increased (D) enlarged D8.(A) Aside from (B) Apart from (C) As far as (D) As for (B) an urge (C) a stroke (D) an impact 10. (A) So far rZ (B) In fact (C) In brief (D) On the contrary E , 104 主題 11 飲食文化 nun the tak int pl fi B 9. (A) a diet BA

根本看不懂啦＼(￣▽￣;)／

Your report should follow these guidelines, although you may choose how you present it: How to Write a Mathematics Report In writing your report, remember that you are writing up a mathematical story and so, like all good stories, it will need a beginning, a middle and an end. More formally, the main components of this writing style are: Introduction, Formulating the Problem, Solving the problem, Discussion of Results, and Conclusion. We will now consider some of the detail in each of these aspects. Introduction This is the beginning of the story. Give a brief explanation of what the problem is about what the goals of the report are and what will be presented. Assume that your reader does not know what the problem is about or how to solve it. Formulating the problem Translate the situation into a maths problem. Explain how you will begin to solve the problem and break it into simpler stages. Discuss any assumptions made. What quantities are variables and which values are fixed? You may use sub-headings if they assist you. Solving the Problem Show any calculations and mathematical reasoning that you use. (Assume that your reader does not know much maths). Do not show the same types of calculations repetitively. Just give one or two examples of a calculation and then put the rest of the results in a table. Use diagrams or graphs if they assist you. Make general remarks about what you observe in your calculation results and, possibly, why. You may want to criticise your work and go on to improve it in the next section. Explain what you will do next and why. Discussion of Results - Evaluate and Verify Summarise your results if necessary and refer to your mathematical reasoning. Justify procedures used. Interpret your results. First, are they reasonable or does something not look right and need further investigation or checking? Is there a decision to be made? Here is where you should present the decision-making process. Evaluate the strengths and limitations of your solutions. Conclusion Summarise your findings. Refer to the problem outlined in the introduction. Make sure that you answer the question that was asked. Make recommendations. No new material should be presented here.

8 11 15 14教教偶

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急~ 求解 不知道有沒有寫錯 謝謝🥺

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求解！

『For each ofthe three potential buyers of apples, the table displays the willingnesS to pay for Bob, Sasha, and Ava, who are he only three buyers of apples. AssSume that only three apples can be supplied per day. Willingness to Pay (Dollars) 『First Applelsecond ApplelThird Apple 0.75 0.60 Ava 0.75 0.25 0.00 15. Refer to Table 7-4. The market quantity of apples demanded per day 1s exactly seven 1f the price of an orange, /, atlSfies

力學 救救我 謝謝！（第三題不用）

1. Considerathin rod ofuniform linear mass density pL with mass 4/ and length /, find the gravitational potential。dp/有)。at a perpendicular distance Afrom the center ofthe rod. You may find the integral in (E.6) in Appendix E useful 2. A spherical planet of radius 人> consists ofacore of radius 有/ with uniform density pi. and a thick outer cloud of dust with umiform density p: Find the force (magnitude and direction) onamass箇inside the dust cloud ata position ARp from the planetcenter( 吃<訪<記), 3. Use Fermat's principle by applying calculus of variation to minimize the time oflight passing from medium ofrefractive index jg, to another medium ofrefractive index >, derive the Snells law ofrefraction: js光 名2s 銷 4. Consider the Atwood machine oftwo masses connected by amassless string oflength 7overapulley ofradius gas shown, (a) Write down the total kinetic energy and potential energy in terms of the coordinatex Hence obtain the Lagrangian ofthe system. (b) Derive the Lagrange's equation of motion and hence find the acceleration ofthe masses. x 和二 工

18.供需曲線要怎麼畫，往左還是右移動

increase in demand and an inerease in supply' willi Inerease have opposing effects on edquilibrium PDIIGey 上 Ifthe loeal Slaughterhouse gives off an unple: meat Will be the quantity that 點 A. more equitable B. equal to C. lower than D. higher than Ans: D Feedback: Ifthe production of meat imposes costs the meat, then the equilibrium quantity Willt 19. Ifthe production of oranges reduces global oranges will be the socially optimal quantity,. 2017 by MictGraw-和有上dseation, This 和 anaer. This doeumenf ma not be copiedl ss 說