Chapter 5 Interest Rates 5-1. Your bank is offering you an account that will pay 20% interest in total for a two-year deposit. Determine the equivalent discount rate for a period length of a. Six months. b. One year. c. One month. a. Since 6 months is [pic] of 2 years‚ using our rule [pic] So the equivalent 6 month rate is 4.66%. b. Since one year is half of 2 years [pic] So the equivalent 1 year rate is 9.54%. c
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When looking back on Math 297‚ I am reminded of the first time I heard mention of the course in Math 157 by Shari Dorsey. Shari was sharing with the class that in the fall a special topics class was going to be available‚ the topic being instruction in the middle years. I was so eager to sign up for the course that I emailed the instructor‚ Margaret Kinzel‚ immediately requesting a permission number. The eagerness to secure myself a position in this course stems from a desire to have as thorough
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Simplification The process of cancelling (reducing) e.g. ‚ **e.g.1 remember that exponents are subtracted Clearing one of the most common errors‚ an important “cancellation” rule: only factors may be cancelled Factors multiply‚ terms add and subtract First count terms … > 1 term means that there is only 1 factor‚ the whole expression. **e.g.2 1. 1 term‚ 3 factors 2. 2 terms‚ 1 factor 3. 2 terms‚ 1 factor‚ BUT … 1 term‚ 2 factors 4. 1 term‚
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3 significant figures. 1. 2. Time allowed: 1.5 hours Simplify 2 8 + 24 . x 2 − 5x − 6 ‚ x 3 − 27 . ( ) (4 marks) Factorize (a) (b) (4 marks) (4 marks) 3. Write FB116 in the expanded form and convert it to a decimal number. 4. && Express 0.8964 in the form a where a and b are positive integers. b (4 marks) 5. Peter deposits $P in a bank at a rate of 2% p.a. compounded monthly. 2 years is $208964‚ find‚ correct to the nearest integer‚ the value of P
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Math Practice Lab Pre-Lab Questions: 1. The rules concerning handling significant figures are as follows: When dividing/multiplying The answer has no more significant digits than the number with the fewest significant digits (the least precise figure). Round off after calculations have been performed. When adding/subtracting Answer has no more places than the addend‚ minuend‚ or subtrahend with the fewest number of decimal places. Significant figures are irrelevant when adding/subtracting
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points) A random sample of 100 automobile owners shaws that‚ in the state of Virginia‚ an automobile is driven on the average 23500 kilometers per year with a standard deviation of 3900 kilometers. Construct a 99% confidence interval for the average number of kilometers an automobile is driven annually in Virginia. Sol: 99% confidence interval‚ z distribution can be used N=100 ̅ ̅ ̅ √ √ 3. (9-58) An article in the ASCE Journal of Energy Engineering (1999‚ Vol. 125‚ pp. 59–75) describes
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Observing Math Instruction Jeraldine Smith Grand Canyon University EED 364 Amanda Bruce September 23‚ 2012 On September 20‚ 2012 I observed in Mr. Jones 1st grade math class. The lesson was based on how to teach addition and subtraction to first grader. In this paper I will be observing an elementary mathematic lesson based on a math standards. The standards The National Council of Teachers of Mathematic (NCTM) are to guide educators on how to teach math the correct way. In comparing
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Mathematics in Everyday Life How many times have you students asked "When are we ever going to use this in real life?" You’ll find the answer here! Or You may find yourself wondering what use we have for some of the knowledge we obtain from math class in school. It is sometimes difficult for students to appreciate the importance of Mathematics. They often find the subject boring and hard to understand. With this project we will hopefully help our students realize that Mathematics is not just a
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Answers Chapter 1 c i No x-intercept‚ y = 4 iii y Pre-test 1 a 2x + 1 1 3 c x+ x= x 2 2 f 3x − 7 b 5(x − 1) 1 (x + 4) 3 -5ab -21x -4x + 4 3 ii 0 y=4 d 2x − 3 e a a a a 7x 8y 3x + 3 4m b b b b 6a 7 6 b 7 12 9 a 3 b -2 c 1 10 a y = 2x + 1 b y = -x + 5 c 4 7 d 19 72 Exercise 1A f 21 20 2 3 4 5 4 e 7 c c c c -5x 2 15a 2 -10x + 2x 2 a (0‚ 4) d g c 10 ii
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IA Task I Introduction and purpose of task: The purpose of this task is to investigate the positions of points in intersecting circles and to discover the various relationships between said circles. Circle C1 has center O and radius r. Circle C2 has center P and radius OP. Let A be one of the points of intersection of C1 and C2. Circle C3 has center A and radius r (therefore circles C1 and C3 are the same size). The point P’ (written P prime) is the intersection of C3 with OP. This is shown in
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