John has $20‚000 to invest. He invests part of his money at an annual interest rate of 6%‚ the rest at 9% annual rate. The return on these two investments over one year is $1‚440. How much does he invest at each rate? Solution Paul made two investments totaling $15‚000. The percentage return on the first investment was 7% annually‚ while the the percentage return on the second one was 10% annually. If the total return on the two investments over one year was $1‚350‚ how much was invested
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WEST AFRICAN SENIOR SCHOOL CERTIFICATE EXAMINATION FURTHER MATHEMATICS/MATHEMATICS (ELECTIVE) AIMS OF THE SYLLABUS The aims of the syllabus are to test candidates on: (i) (ii) (iii) further conceptual and manipulative skills in Mathematics; an intermediate course of study which bridges the gap between Elementary Mathematics and Higher Mathematics; aspects of mathematics that can meet the needs of potential Mathematicians‚ Engineers‚ Scientists and other professionals. EXAMINATION FORMAT There will
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Mr. Keshav Singh Kansana 1. The product of 2 numbers is 60 and their arithmetic mean in 8‚ find the numbers. 2. The monthly salary of a persona was Rs. 320 for each of the first three years. He next got annul increment of Rs. 40 per month for each of the following successive 12 years. His salary remained stationary till retirement when he found that his average monthly salary during the service period was Rs. 698. Find the period of his service. 3. Divide 36 into 6 parts in A.P such that the sum
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which is not possible. (Since n has been assumed to be less than 100) ∴ The prices of the two varieties will be equal after n = 100‚ i.e.‚ when the price of Darjeeling tea = 100 + 0.1 × 100 = 110 ∴ 89 + 0.15n = 110 ∴ n = 140 2007 is not a leap year. Number of days till 30th April = 31 + 28 + 31 + 30 = 120 The prices of the two varieties will be equal on 20th May. Hence‚ option 3. 2. Let f(x) = px2 + qx + k‚ where p‚ q and k are integers‚ p‚ 0 ∴ f(0) = k = 1 ∴ f(x) = px2 + qx + 1 f(x) = px2 + qx + k
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will choose 11 questions from the 15 in a set of review exercises. How many different sets of questions could the teacher choose? K-6 2. All 16 people at a function shake hands with everyone else at the function. Use combinations to find the total number of handshakes. T- 6 3. How many different sums of money can you make with three pennies‚ a nickel‚ a dime‚ and two quarters?K-5 4. How many different sums of money can you make with four pennies‚ two nickels‚ and six quarters? A-6 5. Susan’s
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NATIONAL SENIOR CERTIFICATE GRADE 12 MATHEMATICS P1 NOVEMBER 2008 MARKS: 150 TIME: 3 hours This question paper consists of 10 pages‚ an information sheet and 2 diagram sheets. Copyright reserved Please turn over Mathematics/P1 2 NSC DoE/November 2008 INSTRUCTIONS AND INFORMATION Read the following instructions carefully before answering the questions. 1. 2. 3. 4. 5. 6. This question paper consists of 11 questions. Answer ALL the questions. Clearly show ALL calculations
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Tomas High School España‚ Manila This Research Paper THE FEAR OF MATHEMATICS: A LIFE OBSTACLE is presented by PEREZ‚ IAN MICHAEL B. IV – SAINT DOMINIC to MRS. MARIA TERESA CASADO-RAMOS‚ M.A. on February 27‚ 2009 Chapter 1 INTRODUCTION A. OVERVIEW Just as the disposition and ability of children to benefit from having nursery rhymes and picture books to read then‚ children acquire a sense of number when they have early opportunities to encounter them in action. Families
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makes effective mathematic teaching and learning? This issue had been debated for years by the educationists as old as the teaching itself. Excellent students’ performance in mathematics is in line with an effective mathematics teaching and learning in the classroom. As been highlighted by the National Council of Teachers of Mathematics in the United States: “Students learn mathematics through the experiences that teachers provide. Thus‚ students’ understanding of mathematics‚ their ability to
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University of Rizal System Morong‚ Rizal Submitted to: Dr. Juliet Beringuel Submitted by: Germaine L. Acapulco Title of the Study: Groups of Piecewise Linear Homeomorphisms Author: Melanie Stein Date Conducted: August 1991 Place Conducted: Abstract: In this paper we study a class of groups which may be described as groups of piecewise linear bijections of a circle or of compact intervals of the real line. We use the action of these groups on simplicial complexes to obtain homological
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The importance of mathematics to everyday life Written by Tuesday‚ 22 December 2009 10:30 - Even though Mathematics undoubtedly has universal applications to life and is an essential tool in science‚ technology‚ economics‚ business‚ commerce and of course in computer design and functioning there is a general tendency for people to shy away from it for various reasons-some feel it is too difficult while others do not see its practical connection to everyday life. Consequently‚ we find just
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