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Home work 1 1. A circuit is made up from 4 resistors of value 20, 40, 50 and 100 connected in parallel. If the current is 8.6 A. find the voltage drop across the arrangement and the current in each resistor (1 decimal place). 2. One resistor group consists of 40, 60 and 80 connected in parallel and a second group consists of 30 and 60 in parallel. The 2 groups are connected in series across a 24 V supply. Calculate (a) the circuit current, (b) the P.D. across each group and (c) the current in each resistor (all 2 decimal places). 3. Two resistors of 60 ks2 and 40 k2 value are connected in series across a 240 V supply and a voltmeter having a resistance value of 40 k is connected across the 40 ko resistor. What is the reading on the voltmeter (2 significant figures)? 4. Two groups of resistors A and B are connected in series. Group A consists of 4 resistors of values 20, 40, 60 and 80 connected in parallel and group B consists of 2 resistors of values 100 and 150 in parallel. If the current in the 40 resistor is 1.5A, calculate (a) the current in each of the remaining resistors, (b) the supply voltage and (c) the voltage drop across the groups A and B (all 2 decimal places).

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แบบฝึกหัด Example 1 : Time Value of Money ฝากเงินในวันนี้ 2,000 บาท อีก 2 ปีถัดไปฝากเงิน อีก 1,500 บาท และในอีก 4 ปีถัดไปจะฝากเงิน อีก 1,000 บาท หากอัตราดอกเบี้ยเป็น 10% ให้ หามูลค่าของเงินฝากทั้งหมดในปีที่ 10 [แบบฝึกหัด Example 2 : Time Value of Money รับ พ่อของหนูนาให้รางวัลที่หนูนาสอบเข้า มหาวิทยาลัยได้ โดยให้หนูนาเลือกระหว่าง เงินรางวัลในวันนี้ 20,000 บาท หรือรับในอีก 4 ปีข้างหน้าเมื่อเรียนจบ 33,000 บาท หากอัตรา ดอกเบี้ยเป็น 14% หนูนาควรเลือกทางเลือกใด

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21. Peking grass is valued for slowing the spread of breast cancer and demand for herbal medicine has increased in recent years. a. needs good soil c. has become decorative b. becomes a production center d. has grown more popular as the

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2. A chemical company is considering options for eliminating harmless chemical sludge from the following 2 options. (1) Prepare the site for landfilling in the factory. This option requires the initial investment for purchasing the essential equipment 130,000 Baht. Each year there will also be a cost of landfill operation 95,000 baht per year. At the end of its service life of 3 years, the equipment used within the landfill site will have a salvage value of 20,000 baht. (2) Hire a chemical sludge removal contractor to remove sludge. The contract term must be 6 years. The cost of contract to be paid to the contractor are 110,000 Baht a year in year 1-2; 115,000 Baht in year 3; 120,000 Baht in year 4; 125,000 Baht in year 5; and 130,000 Baht in year 6. a) (13 marks) If the company finances the money for this project by borrowing from a bank in which the bank charges interest on loans at the rate of 3.86% per 6 months, compounded every month. Which option should this chemical company choose? b) (5 marks) The company executives believe that the option of establishing a landfilling site within the factory seems to be a more sustainable alternative for the company. If the selection in question a) above did not select the landfilling site option, please suggest how much the initial investment for purchasing the equipment should cost so that the landfill option would be selected (assume the same salvage value of the equipment)?

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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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00:29 อา. 8 ต.ค. - แบบฝึกหัดการ run regression 7 10 15 20 ข้อที่ 1. จากผลการสำรวจปริมาณความต้องการซื้อไก่ทอดของนักศึกษาชั้นปีที่ 3 สาขาการเงินเป็นดังนี้ ราคาไก่ทอด(บาท) จำนวนคนที่ต้อ ต้องการซอ 18 SUMMARY OUTPUT 12 7 3 Regression Statistics : เปิดใน CollaNote แบบฝึกหัด การวิเคราะห์การถดถอย Multiple R 0.091870558 R Square 0.008440199 Adjusted R -0.062385501 Standard E 25.96303475 ยอดซื้อต่อคน(ชิ้น) 3,3,3,2,1,2,3,4, 3,2,1,2,3,4, 1,2,3,4 จงอธิบายพฤติกรรม การกินไก่ทอด โดยสร้างสมการพยากรณ์การกินไก่ทอด พร้อมอธิบาย 1.ถ้าหากไก่ทอดราคา 10 ปริมาณความต้องกินไก่ทอดเฉลี่ยเป็นเท่าไร 2. ถ้าหากไก่ทอดราคาเพิ่มขึ้น 1 บาทความต้องกินเปลี่ยนแปลงไปอย่างไร 3,2,1,3,2,1,2,2,2,2,2,1 ข้อที่ 2 จาก print out แสดงความสัมพันธ์ระหว่างการเข้าชั้นเรียนกับคะแนนสอบกลางภาค 2,2,3,1,1,1,1 1,2,1 เสร็จสิ้น

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INTERNATIONAL JOURNALS OF ACADEMICS & RESEARCH IJARKE Business & Management Journal standard deviation of 1.564. The statement that collection policy monitors account receivable to know had a mean score of 3.68 and standard deviation of 1.463. The statement that circumstances for offering credit to clients had a mean score of 3.93 and a standard deviation of 1.078. 8.1.3 Account Receivables The third objective was to determine the effect of account receivables on financial performance of transport firms in Mombasa County. The statement in agreement that available debt collection policy has assisted towards effective debt management had a mean score of 4.21 and a standard deviation of 1.210. The statement that transport firms sets and follows debt collection policy and terms had a mean score 3.26 and a standard deviation of 1.435. The statement that the organization implements these terms and policies in case of failure to pay the loan had a mean score 3.60 and standard deviation of 1.374. The statement that favourable credit terms stimulate sales had a mean score of 3.59 and a standard deviation of 1.232. Table 5 Account Receivables Available debt collection policy has assisted towards effective debt management Transport firms sets and follows debt collection policy and terms The organization implements these terms and policies in case of failure to pay the loan Favourable credit terms stimulates sales Valid N (listwise) 8.1.4 Credit Terms ISSN: 2617-4138 www.ijarke.com DOI: 10.32898/ibmj.01/1.4article07 Table 6 Credit Terms Business growth has been as a result of proper financial management practices undertaken by the firm. There had been an improvement in debtor's collection by using credit collection policies The business growth depends on sales returns in terms of price of the product, sales in the period, number of customers in a period and credit collection policy in place Solvency-Long-term debt against your assets and equity Valid N (listwise) N 103 92 IJARKE PEER REVIEWED JOURNAL 103 103 103 103 N 103 103 103 103 103 Mean The fourth objective of the study was to examine influence of credit terms on financial performance of transport firms in Mombasa County. The statement that available debt collection policy has assisted towards effective debt management had a mean score of 4.21 and a standard deviation of 1.210. The statement that transport terms of sales had a mean score of 3.76 and a standard deviation of 1.302. The statement that credit collection period had a mean score of 3.57 and a standard deviation of 1.684. The statement those terms of extension of credit facilities as shown in Table 6 N 103 4.21 3.26 103 103 3.60 3.59 Mean Available debt collection policy has assisted towards effective debt management Transport terms of sales Credit collection period Terms of extension of credit facilities Valid N (listwise) 8.1.5 Financial Performance The statement that business growth has been as a result of proper financial management practices undertaken by the firm had a mean score of 3.68 and a standard deviation of 1.463. Table 7 Financial Performance Vol. 1, Issue 4 4.21 3.76 3.57 3.51 103 3.48 103 3.13 Std. Deviation 1.210 1.435 1.374 1.232 3.58 Std. Deviation Std. Mean Deviation 3.68 1.463 1.210 1.302 1.684 1.552 1.259 1.525 1.492 May-Jul. 2019

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Read the article. Track 1-02 447 82 4961 581³20 ******** ama O DIFFERENT EDUCATION SYSTEMS USA The United States has many different kinds of schools. There are public schools, charter schools, private schools, and more. One group of San Francisco schools is called AltSchool. These schools have a special curriculum. It focuses on technology and problem solving. The day starts with students using iPads to check their attendance. Every week, students are given a "playlist" of activities and individual goals. Students use the week to complete these goals. AltSchool students are not put into grades. They're put in learning groups: lower elementary, upper elementary, and middle school. There are also no classrooms at the school. Classrooms are called "stations" for learning. Students are encouraged to explore and learn freely. For some, AltSchool is the future of education. For others, AltSchool is an extremely expensive experiment-about $27,000 per year. What do you think?

Ahmad and Shen share some money in the ratio 4: 5Ahmad gets $36. a How much money does Shen get? And How much money do they share?

7 The diagram shows a rectangle. Work out the area of the rectangle. Show all your working. 4 m m

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: a fibreglass chimney; a rock front door; of? on stilts? se. Give reasons. Scramped esn't cost very Idn't you like attractive to me. st get very cold. do you read it? al idea of t of the question ose the rmation How the are not ct How would you like to live in a castle, a tree house or even underground? This might not be as unusual as you think. It seems that these days more and more people want to live somewhere special and out of the ordinary, and if they can't buy what they want they are quite 5 prepared to build it from scratch. If an underground home doesn't appeal to you, how about living in the tree tops? Dan Garner, a tree surgeon from Gloucestershire, certainly thinks that this is the way to go up in the world. 35 For John Mew and his wife Josephine their home really is their castle. They have built their own English castle in the Sussex countryside. The building is brand new with all the luxuries you would expect from a house that cost 1 more than £350,000 to build. However, when you first see it from the outside it would be easy to think that you are looking at an ancient monument. The building has a lot of the features of a traditional castle, including a keep, a moat and a drawbridge. "My choice of house is 1 somewhat eccentric and building it was very hard work, but we've got the perfect place to live," Mew says. Although some would say that the building is impractical and may be cold in harsh British winters, he certainly has got a unique and spacious home. "When our family became short of space at home our solution was to build a luxury tree house in the garden. The tree house is built into a spruce tree six metres above the ground. It has one main room, a bedroom and a balcony running around two sides." Garner is so happy 40 with this practical extension to his home that he thinks he can convince more people of the benefits of living in the trees. He wants to set up his own enterprise making more of the deluxe tree dwellings, saying, "Tree houses are airy, secure and comfortable and the only disadvantage 45 is that they might not be suitable for people who suffer from hay fever or a fear of heights!" 2 If you don't look carefully, you might not even see the home that Jonathan Ridley-Jones and Shanon Ridd built at all! That's because the house is a converted underground water tank. The only thing that can be seen from the surface is a door leading into the hillside. "We've 2 never wanted to live in an ordinary house," Shanon says. "Living below ground means that our home is quiet and very cosy none of the usual draughts. It doesn't damage the local surroundings and has very low fuel bills. Some of our friends find it dark and feel shut in 3 when they first visit, but they soon get used to it!" Even people who live in more ordinary settings sometimes can't resist doing something to make them stand out from the crowd. One extreme example of this 50 is Bill Heines' house in Headington, Oxfordshire. Until one morning in 1986, his house looked much like all the others in his street, when suddenly overnight a 7.5 m long fibreglass shark appeared to have crashed through the roof. The shark was a sculpture by local artist John 55 Buckley. At first some people complained that it might be dangerous or that it spoilt the look of the neighbourhood, but engineers checked that the sculpture was safe and the 'Headington shark' has become a well-known and popular landmark. It seems that no matter where you live, 60 you can always do something to make sure your house says something about who you are. 4 5 D It Why Ridle AI B 6 C D 7 Wh Ric A B 4 C D V