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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Danielle Zemko Problem or Issue Investigation and Solution HUM/111 October 29‚ 2012 Unfortunately‚ just recently my brother in-law lost his job because the company he worked for shut down‚ letting go of every employee there was. Fortunately‚ my sister was trying to get a job for the same exact company‚ but she did not get the position. This is fortunate because if she did my sister would be out of a job also. They are now struggling with only one income and are coming to the realization
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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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The Solution to the Earths’ Energy Conservation Problem Gas prices have hit $6.00 a gallon! That is a scary thought‚ but reality is if we don’t start conserving our energy sources now‚ that is exactly what we will get gas for $6.00 a gallon or maybe even more. In today’s society we are only worried about the here‚ and the now. We all need to start thinking long term and come up with ideas for preserving our future. In the United States the industries use up about forty two percent of the nation’s
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Introduction to Amino Acids and Protein Molecules In the following tutorial you are going to - View molecules with the help of molecular visualization software (Jmol) - Get an introduction to amino acids and protein molecules - Model amino acids and dipeptides with molecule kits - Use a data base (PDB) to view protein molecules (hemoglobin and myoglobin) - Inform yourself about sickle-cell-anemia To use all following links properly JAVA has to be enabled on your computer! Where appropriate
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and Canada receive 20% of their electric power from nuclear plants. The rest of the world is at 6% but rising. The benefits drive the nuclear energy movement and continue to do so and the proponents of nuclear power see this as an indispensable solution in reducing the consumption of conflict-ridden fossil fuels. Opponents of nuclear power also make a strong case citing cost‚ safety and justified global concern of waste storage and the potential for nuclear weapons in areas where terrorism is a
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Policy: In the twentieth century the government in South Africa made it legal to separate the races according to their skin colour. Blacks‚ whites‚ coloureds and Asians lived in separated areas under the policy of apartheid. Anyone who criticised the government was “banned” and faced prison. Blacks had to register if they wanted to go into white areas. Blacks‚ Asians and coloureds were denied their basic human rights under the policy of apartheid Whites: High standard of living‚ earning good
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