and b are positive integers such that a b = 125‚ then (a − b) a + b − 4 is equal to 1. 16 2. 5 5 2. 25 3. 28 4. 30 × 53 ÷ 5 −3/ 2 = 5 a+ 2 then the value of a is equal to 1. 4 3. 2. 5 3. 6 4. 8 An electric contractor purchases a certain amount of wire. 10% of which is stolen. After using 85% of the remainder‚ he had 54 m of the wire left. How much wire did he purchase? 1. 300 m 2. 350 m 3. 375 m 4. 400 m 4. ׂ y and z are three sums of money such that y is the simple
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Quantitative Variables Copyright ©2011 Brooks/Cole‚ Cengage Learning 1 Principle Idea: The description and confirmation of relationships between variables are very important in research. Copyright ©2011 Brooks/Cole‚ Cengage Learning 2 Three Tools we will use … • Scatterplot‚ a two-dimensional graph of data values • Correlation‚ a statistic that measures the strength and direction of a linear relationship between two quantitative variables. • Regression equation‚ an equation
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Select a topic of interest to you and record the topic in your posting‚ for example: “What is the average number of hours people watch TV every week?” Make sure the question you ask will be answered with a number‚ rather than answers with words. 2. Write a hypothesis of what you expect your research to reveal. Example: Adults 21 years and over watch an average of 2.5 hours of TV per day. 3. Sample at least fifteen people and record their data in a simple table or chart; study the examples from
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Mathematics/SG/P1 2 SCE – Memorandum DBE/2011 VRAAG 1/QUESTION 1 1.1.1 5 3x + 2 25 2x – 1 .5 x-3 .5 1.1.4 4 - 81 + 1250 1 1 2(-) 4() =2 –3 +1 = 2– 1 – 3 3 + 1 1 = – 27 + 1 1 = – 25 1 1.2.1 4.3x = 36 (5) ∴4.3x = 36 4 4 ∴3x = 9 1 ∴3x = 32 1 ∴x = 2 1 1.2.2 16-x = 2 1 4(- x) =2 ∴2 (3) ∴ 2-4x = 2 ∴-4x = 1 1 ∴-4x = 1 -4 -4 ∴ x = - 1 (5) (3) [23] (3) (4) - = 53x + 2. 5x - 3. 5 52(2x – 1) 1 = 53x + 2. 5x - 3. 5 54x – 2 1 =5 3x + 2 + x – 3 + 1 – 4x + 2 = 52 1 = 25
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Chapter 5 Measures of Central Tendency: Introduction A measure of central tendency is a single value that attempts to describe a set of data by identifying the central position within that set of data. As such‚ measures of central tendency are sometimes called measures of central location. They are also classed as summary statistics. The mean (often called the average) is most likely the measure of central tendency that you are most familiar with‚ but there are others‚ such as the median and the
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3)=1+1=2 ; v(3‚2)=1/(1+1)=0.5 v(3‚4)=1+1=2 ; v(4‚3)=1/(1+1)=0.5 The smallest payment at time 1 = 2v(0‚1) + (-3) v(2‚1) + 5v(3‚2)v(2‚1) + 10v(4‚3)v(3‚2)v(2‚1) = 2(1.25) + (-3)(0.8) + 5 (0.5)(0.8) + 10(0.5)(0.5)(0.8) = 2.5-2.4+2+2 = 4.1 The smallest payment you would accept is 4.1. 2. Let K be the initial payment. a)9980.89 b)10117.4 3. E[X]=1‚ Var(X)=5 V(X) = E(X2) – [E(X)] 2 5=E(X2)-1
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we now know as Algebra and was the most notable work on the subject during this period‚ covering such things as polynomial equations up to the second degree; introducing methods for reduction and balancing; and other such staple algebraic methods. 2. Given that the official purpose of the U.S. patent system is the promotion of the “useful arts‚” do you think algorithms are patentable in this country? Should they be? 3. a. Write down driving directions for going from your school to your home with
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Outline Paper 2: Jack Akram With regards to at least two literary works‚ explain how the setting both influences the characters and reflects the author’s own context Introduction: a) Seasons in a year and how the seasons go along with the plot and Mikages emotions. b) The different types of kitchens Mikage goes to as the story develops shows the maturity level of Mikage and how it develops. c) The indoor and outdoor setting use from Yoshimoto. Yoshimoto uses
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88126104 CHEMISTRY standard level Paper 1 Friday 9 November 2012 (afternoon) 45 minutes INSTRUCTIONS TO CANDIDATES • Do not open this examination paper until instructed to do so. • Answer all the questions. • For each question‚ choose the answer you consider to be the best and indicate your choice on the answer sheet provided. • The periodic table is provided for reference on page 2 of this examination paper. • The maximum mark for this examination paper is [30 marks]. 8812-6104
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Course Project Milestone 2 Interview Guide and Questions Form This is a form to record your information for this assignment. Review the Course Project Milestone 2: Interviewee Guide and Questions guidelines and grading rubric in Doc Sharing (Assignments) prior to completing this form. Review the document in Doc Sharing entitled‚ NR391 Question Tips. Refer to Appendix A in your text and select five categories upon which you will concentrate for your interview guide and questions. Type your
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