OCR supplied materials: None Other materials required: • Scientific or graphical calculator • Geometrical instruments • Tracing paper (optional) * A 5 0 1 0 1 * INSTRUCTIONS TO CANDIDATES • • • • • • • Write your name‚ centre number and candidate number in the boxes above. Please write clearly and in capital letters. Use black ink. HB pencil may be used for graphs and diagrams only. Answer all the questions. Read each question carefully. Make sure you know what you have to do before starting
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THE REAL NUMBER SYSTEM The real number system evolved over time by expanding the notion of what we mean by the word “number.” At first‚ “number” meant something you could count‚ like how many sheep a farmer owns. These are called the natural numbers‚ or sometimes the counting numbers. Natural Numbers or “Counting Numbers” 1‚ 2‚ 3‚ 4‚ 5‚ . . . * The use of three dots at the end of the list is a common mathematical notation to indicate that the list keeps going forever. At some point‚ the
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universal precautions. Suppose the spread of a direct contact disease in a stadium is modeled by the exponential equation P(t) = 10‚000/(1 + e3-t) where P(t) is the total number of people infected after t hours. (Use the estimate for e (2.718) or the graphing calculator for e in your calculations.) 1. Estimate the initial number of people infected with the disease. Show how you found your answer. Answer: A total of 474 people would be initially infected. Equation: p(0)=10‚000/(1+3^3) ~ 474
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8 l SUFFIXES l l l The Suffixes are letters added to the end of words to make new words. (The suffixes change the word class of the words they attached to) - Common Noun Suffixes: 1. –er / -or: these suffixes are added to Verbs to derive nouns of a person who does the a action. Verbs + –er ــــــــــــــــــــــــ> noun of a person
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2. Category of Number of the Noun. Regular – one. Plural – more than one. Regular Plurals: 1. Nouns ending in vowels & voiced consonants - -s(bee-bees‚ dog-dogs‚ [z]) 2. Voiceless consonants - -s(book-books‚ [s]) 3. –s‚-sh‚-ss‚-ch‚-x‚-z - -es (actress-actresses‚ [iz]) 4. –o: -es-hero-heroes. But: -os: after a vowel – bamboos‚ embryos‚ folios‚ kangaroos‚ radios‚ studios‚ zoos. In proper names – Romeos‚ Eskimos‚ Filipinos. In abbreviations - kilos‚ photos‚ pros(professional). Also: pianos
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Assignment answers 1. The educator as researcher‚ scholar and lifelong learner. (EDRHODG) 1) c 2) E 3) E 4) C 5) E 6) E 7) D 8) A 9) A 10) E 11) E 12) A 13) B 14) D 15) E 16) D 17) D 18) B 19) E 20) D 21) C 22) D 23) E 24) C 25) A 26) E 27) E 28) E 29) E 30) D 31) A 32) E 33) A 34) D 35) C 2. The educator in a pastoral Role (EDPHOD8) 1) 4 2)
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Leonardo Pisano(1170-1250) was an Italian number theorist‚ who was con-sidered to be one of the most talented mathematicians in the Middle Ages. However‚ He was better known by his nickname Fibonacci‚ as many famoustheorems were named after it. In addition to that‚ Fibonacci himself some-times used the name Bigollo‚ which means good-for-nothing or a traveller. Thisis probably because his father held a diplomatic post‚ and Fibonacci travelledwidely with him. Although he was born in Italy‚ he was
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Serial Number Profile Labels (Description) Serial number profile design was partially derived from AMSS reporting requirements. If a material is serial number managed throughout the army‚ the serial number profiles GA01 through GA05 will be assigned depending on other characteristics: • GA01 – Identified by LOGSA as a reportable system (AR700-138 B2) and has at least one associated subsystem. • GA02 – Identified by LOGSA as a reportable system (AR700-138 B2) and has no associated subsystems. • GA03
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World Scientific Publishing Company DOI: 10.1142/S1793557111000435 ON RADIO NUMBER OF POWER OF CYCLES Laxman Saha∗ ‚ Pratima Panigrahi† and Pawan Kumar‡ Department of Mathematics‚ IIT Kharagpur Kharagpur‚ West Bengal 721302‚ India ∗laxman.iitkgp@gmail.com †pratima@maths.iitkgp.ernet.in ‡pawan@maths.iitkgp.ernet.in Communicated by M. R. R. Moghaddam Received September 25‚ 2010 Revised June 1‚ 2011 A number of graph coloring problems have their roots in a communication problem known
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there were two brothers. Composite and Prime Number. They were fraternal twins; Composite Number’s factored form was 2•2•2•3 and Prime Number’s was 23•1. Nobody liked Prime Number because he couldn’t be factored and nobody wanted him to play with them in their games; like prime factorization (because he couldn’t be factored at all). Prime Number’s only friend was Prime Polynomial. They both had one major thing in common; being prime. While Composite Number has all his composite friends who play factoring
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