แบบนี้มีใครพอรู้วิธีทำไหมคะ

C แบบฝึกหัดที่ 2 1. ตัวอย่างก๊าซ 2.00 ลิตร อุณหภูมิลดลงจาก 60.0°C เป็น 30°C ปริมาตรของก๊าซนี้ ระเท่าไร 3 2. แก๊สชนิดหนึ่งมีปริมาตร 6 dm ที่อุณหภูมิ 27 °Cและความดัน 1 at ถ้า •พมอุณหภูมิเป็น 50 °C โดยควบคุมความดันให้คงที่ ปริมาตรของแก๊สคือ เท่าไร 3. เพื่อความดันคงที่ แก๊สชนิดหนึ่งมีปริมาตร 250 cm ที่ 273 Kถ้า ปริมาตรลดเหลือ 150 cm แก๊สนี้จะมีอุณหภูมิที่องศาเซลเซียส 4. The Celsius temperature of a 3.00 L sample of gas is lowered from 80.0°C to 30°C. What will be the resulting volume of this gas? 5. A helium balloon in a closed car occupies a volume of 2.32 L at 40.0°C. If the car is parkedon a hot C day and the temperature inside rises to 75.0°C, what is the new volume of the balloon, assuming the pressure remains constant?

วิธีทำ แต่ละขั้นตอนอย่างละเอียด

7 An important issue for a retailer is to decide when to reorder stock from a supplier. A common policy used to make the decision is of a type called s, S: The retailer orders at the end of a period if the on-hand stock is less than s, and orders enough to bring the stock up to S. The appropriate values of s and S depend on different cost parameters, such as inventory holding costs and the profit per item sold, as well as the distribution of the demand during a period. Consequently, it is important for the retailer to collect data relating to the parameters of the demand distribution. Suppose that the following data give the numbers of a certain type of item sold in each of 30 weeks. 14, 8, 12, 9, 5, 22, 15, 12, 16, 7, 10, 9, 15, 15, 12, 9, 11, 16, 8, 7, 15, 13, 9, 5, 18, 14, 10, 13, 7, 11

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Exercise 4 (p. 32): Underline the errors and write a correction. Assignment Irrigation Irrigation management is an interesting field, especially in places where water supplies are low. Irrigation experts have various tasks such as taking soil samples, checking existing water tables, and projecting the amount of rain for the future. These people usually get his degrees from irrigation institutes. Them study many years in order to become familiar with the various tasks involved in her profession. For some of they, a job with local water authorities is a good place to begin his career. Others prefer to find jobs as contractors, working independently to aid farmers with our irrigation needs. Whatever the job, irrigation experts are becoming increasingly important. Water is a precious commodity, and they cannot be taken for granted.

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10. The probability that a worker will be absent from work at a factory is The factory has 2400. 75 What is the mean number of workers who will be absent on any day? 1. 24 2. 75 3. 32 4. 16

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12.Parallel Structure คำเชื่อม = and, but, or, as, than, like, except เชื่อมคำประเภทเดียวกัน - Nouns My best friend collects stamps, coins, and postcards. Adjectives The workers were ready, able, and determined to do a great job. ๑ Modified Nouns A positive attitude can lead to both physical success and spiritual fulfillment. ๑ Verbs She usually eats breakfast and has a cup of coffee in the morning. e Infinitives | would rather pay for my education than receive financial aid. Participial phrases Driving through the countryside and speaking to the people, Sam began to understand the culture better. ๑ Adverbs They encouraged us to work carefully and effectively. Abverbial Phrases They will arrive in less than an hour and in time for the meeting. ๑Clauses The salesman expected that he would present his product, that there would be time for him to show his slide presentation, and that prospective buyers would ask him questions. 1. Many industries depend on air conditioning to keep the air in their plants clean 1 2 3 and cool, and controlling the moisture level. 4 2. A new born child responds to the world with reflexes such as grasping, sucking, 1 2 or it turns its head when touched on the mouth. 3 4 3. The domestic dog is generally loyal, courageous, intelligence, and adaptable. 1 2 3 4 4. Maps have lines, words, Symbolic, and colors that show the distribution and 1 2 3 arrangement of the Earth's geographical features. 4

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เรื่อง ใบงาน ปริภูมิตัวอย่าง Sample apace จงตอบคำถามในแต่ละข้อต่อไปนี้ 1. จงเขียนผลที่จะเกิดขึ้นและจำนวนที่จะเกิดขึ้นทั้งหมดจากครอบครัวที่ต้องการ มีบุตร 3 คน (โดยใช้แผนภาพต้นไม้) บุตรคนที่ 1 บุตรคนที่ 2 บุตรคนที่ 3 จำนวนผลที่อาจจะเกิดขึ้นทั้งหมด n(S) ได้แก่ 2. จงเขียนผลที่จะเกิดขึ้นและจำนวนที่จะเกิดขึ้นทั้งหมด ถ้านำนาย A, B และ C มาเข้าแถวเป็นเส้นตรง (โดยใช้แผนภาพต้นไม้) คนที่ 1 คนที่ 2 คนที่ 3 จำนวนผลที่อาจจะเกิดขึ้นทั้งหมด n(S) ได้แก่ SaLIVEWORKSHEETS Finish!

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บ ข้อสอบกลางภาค English Structure and Usage คำสั่ง 1) ให้นักศึกษาวิเคราะห์ประโยคที่ปรากฏในบทความนี้ 2) วิเคราะห์โดยละเอียดสอดคล้องกับความรู้ที่ได้เรียนมาทั้งหมด และยกตัวอย่างคำ วลีหรือประโยค ประกอบการอธิบายพร้อมบอกเหตุผลประกอบ Essay 6 Crime is unquestionably one of the most prevailing and worrying aspects in any society, and its prevention should be taken seriously. Crime prevention can be executed in various ways, firstly through a sustained honest presence in the community and secondly through international cooperation. A local presence by incorruptible law enforcement authorities may be costly, however, the long- term investment would pay dividends in the future. A safer region would encourage trade, investment and set an invaluable example for younger generations. For example, crime has dramatically been reduced in the Favelas around Rio de Janiero in Brazil. This was achieved largely through the government committing large funds of money to stationing police headquarters in and around the slums. These financial expenditures greatly benefited the community. Secondly, due to the large-scale severity and the global impact that crime has in some areas of the world, global cooperation is critical. Operating in a different way would incur significant financial losses and render any expenditure futile. For example, Somalian pirates in Africa have reigned terror amongst many ocean transport companies in the area. Only through large-scale international cooperation was policing the area possible. Therefore, crime reduction can be attributed to a joint effort between countries. To conclude, illegal activities are a costly and dangerous fact in the present global cconomy however, through large-scale government investment prevention is an attainable goal. Also, spreading the expense through international cooperation the resources invested can be significantly more effective in reducing criminals effectiveness abroad. Source: https://www.icltspodcast.com/band-9-sample-cssays/

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Download the template provided and write a letter to your friend. You MUST 1. include 4 sentences in Present Simple Tense and 4 sentences in Present Continuous Tense. 2. underline 8 sentences that you want the teacher to mark (4 Written in present simple and 4 written in present continuous) 3. write between 90-130 words

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A random sample of 4000 college students was asked if college athletes should be paid. The following table gives a two-way classification of the responses. Should Be Paid Should Not Be Paid Students Athlete 90 10 Students Nonathlete 210 90 a. If one student is randomly selected from these 400 students, find the probabilities that this student 1) is in favor of paying college athletes 2) favors paying college athletes given that the student selected is a nonathlete 3) is an athlete and favors paying student athletes 4) is a nonathlete or is against paying student athletes b. Are the event "student athlete" and "should be paid" independent? Are they mutually exclusive? Explain why or why not.

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HN) Exercises (1)You take 200 milligrams of a headache medicine, and after 4 hours, 120 milligrams remain in your system. If the effects of the medicine wear off when less than 80 milligrams remain, when will you need to take a second dose, assuming the anmount of medicine in your system decays exponentially? 13 ส.ค. The half-life of Radium-226 is 1590 years. If a sample initially contains 200 mg. how many milligrams will remain after 1000 years? )The half-life of Fermium-253 is 3 days. If a sample initially contains 100 mg, how many milligrams will remain after 1 week? บ้อ The half-life of Erbium-165 is 10.4 hours. After 24 hours a sample still contains 2 mg. What was the initial mass of the sample, and how much will remain after another 3 days? The half-life of Nobelium-259 is 58 minutes. After 3 hours a sample still contains10 mg. What was the initial mass of the sample, and how much will remain after another 8 hours? (6) A scientist begins with 250 grams of a radioactive substance. After 225 minutes, the sample has decayed to 32 grams. Find the half-life of this substance. A wooden artifact from an archeological dig contains 60 percent of the carbon-14 that is present in living trees. How long ago was the artifact made? (The half-life of carbon-14 is 5730 years.)