Class XII Chapter 3 – Matrices Compiled By : OP Gupta [+91-9650 350 480 | +91-9718 240 480] Maths Exercise 3.1 Question 1: In the matrix ‚ write: (i) The order of the matrix (ii) The number of elements‚ (iii) Write the elements a13‚ a21‚ a33‚ a24‚ a23 Answer (i) In the given matrix‚ the number of rows is 3 and the number of columns is 4. Therefore‚ the order of the matrix is 3 × 4. (ii) Since the order of the matrix is 3 × 4‚ there are 3 × 4 = 12 elements in it. (iii)
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Pg. 134 # 2 A) The students can go to the computer lab to do this‚ because an instructor wants students to have extra practice in a subject (such as reading or math.) B) Students may also want to use computer labs for reports and papers‚ because most instructors require neatly type assignments. C) If some students don’t have access to the Internet at home‚ they may use computer labs at school to find information on the Web for their assignments. D) Sometimes students may use computer labs
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Zara: The Technology Giant of the Fashion World Synopsis Zara is a company that defines what the fashion industry has termed “fast fashion.” The flagship specialty chain of Spain-based clothing conglomerate‚ Inditex‚ Zara has built an information and distribution system that allows it to put the latest runway fashions in its stores in a matter of weeks at a fraction of what the big-name designers charge. In addition to fast‚ Zara is prolific. In a typical year‚ Zara launches about 11‚000
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Allen‚ J. (1999). Words‚ words‚ words: Teaching vocabulary in grades 4-12. York‚ ME: Stenhouse. Back Beck‚ I.L.‚ McKeown‚ M.G.‚ & Omanson‚ R.C. (1987). The effects and uses of diverse vocabulary instructional techniques. In M.G. McKeown & M.E. Curtis (Eds.)‚ The nature of vocabulary acquisition (pp. 147-163). Hillsdale‚ NJ: Erlbaum. Back Beck‚ I.L.‚ Perfetti‚ C.A.‚ & McKeown‚ M.G. (1982). Effects of long-term vocabulary instruction on lexical access and reading comprehension. Journal of Educational
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Assignment Coversheet Faculty of Business Government & Law Student ID number | | Unit name | | Unit number | | Name of lecturer/tutor | | Assignment name | | Due date | | You must keep a photocopy or electronic copy of your assignment. Student declarations This is all my own work and other sources are properly credited - I certify that the attached assignment is my own work. Material drawn from other sources has been appropriately and fully acknowledged by providing
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Increasing Role of Computer-Based Information Systems in the Management of Higher Education Institutions By Clement Nyandiere Abstract Trends across the world show a growing demand for information systems for educational institutions. Many of them have been running manual systems‚ pushing paperwork‚ for ages. They have had cumbersome working procedures and this has led to low productivity occasioned by highly inept manual systems. Many of the higher educational instructions (HEIs) have implemented
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TO: Robin Hood‚ CEO Merry Men Incorporated RE: Business model Thank you for contacting our firm‚ from analyzing your current situation using the stakeholder analysis and social contract theory‚ we have made the following recommendation. Recommendation: Teach the poor skills and trade. Offer merchants and travelers safe passage through the forest. Help the Barons with the release of King Richard. Limit the hunting of game in the forest. Current Situation: RE: Business model Thank you for
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Percent By Mass Solution Problems 1. What is the percent by mass of a solution made by dissolving 0.49 g of potassium sulfate in 12.70 g of water? 2. What is the percentage concentration of 75.0 g of ethanol dissolved in 500.0 g of water? 3. A chemist dissolves 3.50 g of potassium iodate and 6.23 g of potassium hydroxide in 805.05 g of water. What is the percentage concentration of each solute in the solution? 4. A student wants to make a 5.00 % solution of rubidium chloride
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bushels 110‚000 Alfalfa 1.5 tons 1800 Barley 2.2 tons 2200 Constraints: Thus mathematical model is: Maximize: Subject to: Solving the problem using solver of MS Excel we get the solution as follows: Variable Solution 547.21 544.90 422.71 311.34 373.84 65.52 65.52 0.00 Variable Max. Profit Solution 0.00 0.00 586.66 376.95 35.33 0.53 0.53 315862.07 Crop Plan Parcel Cultivation Area (Acre) Wheat Alfalfa Barley Total Area Southeast 547.21 65.52
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PROBLEM-SOLUTION ESSAY 1. Understanding problem-solution essay topics 2. Organizing your ideas 3. Writing Thesis Statement 4. Developing body paragraphs 5. Writing Conclusion UNDERSTANDING PROBLEM-SOLUTION ESSAY TOPICS Exercise: Read the essay questions below. Which one asks you to write an opinion essay and which one is for problem-solution essay? The underlined words may help you to reach your decision. 1. Many newspapers and magazines feature stories about the private lives of famous people
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