IB Mathemetics SL Portfolio: Logarithmic Bases In this portfolio task‚ I will investigate the rules of logarithms by identifying the logarithmic sequences. After identifying the pattern‚ I will produce a general statement which defines the sequence. I will then test the validity of my general statement by using other values. I will finally conclude the portfolio task by explaining how I arrived to my general statement and its limitations. Consider the following sequences. Write down the next
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log2 8‚ a2 = log4 8‚ a3 = log8 8‚ a4 = log16 8‚ a5 = log32 8‚ ... 2. a1 = log3 81‚ a2 = log9 81‚ a3 = log27 81‚ a4 = log81 81‚ ... 3. a1 = log5 25‚ a2 = log25 25‚ a3 = log125 25‚ a4 = log625 25‚ ... The next set of sequences (from now on referred to as P roblem2 ) is written as loga x = c and logb x = d‚ in which x is constant‚ a & b are different bases‚ and c & d are the given outcomes. 1. log4 64‚ log8 64‚ log32 64 2. log7 49‚ log49 49‚ log343 49 1 1 1 3. log 5 125‚ log 125 125‚ log
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Beverly Hearst IB SL Physics Rate of Vaporization Design Lab Research Question: How does changing the surface area of a sample of water affect the time taken for the water to boil? Background: By changing the containers of the water‚ the surface area of the water is thus being modified as the same volume of water is spread out over smaller or larger surfaces. The measure being compared is the time each sample of water will take before it reaches the boiling point‚ 100 C°. The relationship
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N10/5/MATME/SP1/ENG/TZ0/XX/M MARKSCHEME November 2010 MATHEMATICS Standard Level Paper 1 18 pages –2– N10/5/MATME/SP1/ENG/TZ0/XX/M This markscheme is confidential and for the exclusive use of examiners in this examination session. It is the property of the International Baccalaureate and must not be reproduced or distributed to any other person without the authorization of IB Cardiff. –3– N10/5/MATME/SP1/ENG/TZ0/XX/M Instructions to Examiners Abbreviations M (M)
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IB SL Biology Study Guide Unit 5 – Ecology Emma-Louise Wich Communities and Ecosystems 5.1.1 Define species‚ habitats‚ populations‚ community‚ ecosystems and ecology. Species: a group of organisms that can interbreed and produce fertile offspring. Habitat: the environment in which a species normally lives or the location of a living organism. Population: a group of organisms of the same species who live in the same area at the same time. Community: a group of populations living and
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Ingredients for Kaju Kari: · Sabut Kaju – 1/4 kg · Kasuri Methi - 1 table spoon · Fresh Cream - 1 cup · Cold Milk – 1/2 cup · Milkmaid – 1/2 cup · Khauva - 1/2 cup · Kaju kani ka paste – 1/2 cup · Onion (Piyaz) - 4 no’s pureed · Hybrid Tomatoes (Tamatar) - 8 no’s pureed · Garlic (Lehsun) – 1tablespoon paste · Ginger (Adrak) - 1 tablespoon paste · Red chilli powder - 1/2 teaspoon · Coriander leaves (Dhaniya patte) - A bunch · Oil - 8 tablespoon · Garam Masala Powder – 1 teaspoon
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a connection with Pascal’s triangle. Pascal’s triangle is used to show the numbers of ‘n’ choose ‘r’(nCr). The row number represents the value of ‘and the column number represents the ‘r’ value. Eg. Row 3‚ colomn 2 = 3C2 = 2. I noticed that all the numerators of the fractions in Lascap’s fraction (3‚6‚10‚15) are also found in Pascal’s triangle. So I tried to see if I would get the denominator of the fractions by using the row as ‘n’ and the colomn (or element) as
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SL Math Internal Assessment: Stellar Numbers 374603 Mr. T. Persaud Due Date: March 07‚ 2011 Part 1: Below is a series of triangle patterned sets of dots. The numbers of dots in each diagram are examples of triangular numbers. Let the variable ‘n’ represent the term number in the sequence. n=1 n=2 n=3 n=4 n=5 1 3 6
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HISTORY ROUTE 2 Higher Level and Standard Level Paper 2 27 pages –2– N11/3/HISTX/BP2/ENG/TZ0/XX/M This markscheme is confidential and for the exclusive use of examiners in this examination session. It is the property of the International Baccalaureate and must not be reproduced or distributed to any other person without the authorization of IB Cardiff. –3– N11/3/HISTX/BP2/ENG/TZ0/XX/M Paper 2 markbands: The following bands provide a précis of the full markbands for paper 2 published in the
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are produced in response to a specific pathogen. Each antibody is different. It’s a Y shaped protein that attaches to the antigen on a (bacteria) cell. Steps of immune response and creation of antibodies; 1. A specific antigen type is identified 2. A specific B lymphocyte is identified that can produce an antibody which will bind to the antigen (proteins on the pathogen) 3. The B lymphocytes and several identical B lymphocytes clone themselves via mitosis to rapidly increase the number of B lymphocytes
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