Week 3 Ratio and Proportion |Q# |Problem |Show Your Work |Answer |Instructor Comments | |1. |Solve the proportion: | |.667 | | | |x/2 = 5/15 | | | | | |x
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Archimedes was among the greatest mathematicians of antiquity. Mathematicians usually cover a breadth of topics within mathematics in their undergraduate education‚ and then proceed to specialize in topics of their own choice at the graduate-level. In some universities‚ a qualifying exam serves to test both the breadth and depth of a student’s understanding of mathematics; the students who pass are permitted to work on a doctoral dissertation. A mathematician is a person with an extensive knowledge of mathematics who
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Assignment 4 April‚ 7 2013 Mat222 In this week of class we have been taught how to evaluate‚ combine and find inverses of working relations or functions. We will be computing‚ composing‚ transforming and finding the inverse of some functions. We are working with the following functions: f(x) = 2x+5 g(x) = x2 -3 h(x) = (7-3x)/3 We have been asked to compute (f – h)(4). (f – h)(4) = f(4) – h(4) So we can evaluate each separately and then subtract. f(4)
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Deterministic techniques assume that no uncertain exists in model parameters. A: True An inspector correctly identifies 90% of the time. For the next 10 products‚ the probability that he makes fewer than 2 incorrect inspections is .736. A: Use Binomial table to discover ‚ add 3 probabilities for 0‚1‚2 A continuous random variable may assume only integer values within a given interval. A: False A decision tree is a diagram consisting of circles decision nodes‚ square probability nodes and branches
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1. Explain the difference between a “reserve” and a “resource”. What factors influence estimates of reserves and resources for commodities such as minerals or fossil fuels? Resources and reserves are similar in that the both benefit humanity. Resources are materials that can be used to satisfy human needs‚ or used as support. Reserves on the other hand are known deposits with the ability to extract the available material economically; the size of these reserves is not always known or defined
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Scenario #1: A Non-Working Grandma Overview of Scenario: Grandma survives off a old age pension which means that she wouldn’t be able to contribute a lot of money to spend each month on a phone plan She makes calls each month which can be easily factorised into a correct plan Daughter- 30 minutes once a week Son- 40 minutes once a week Sister- 60 minutes once a week SMS’s are minimal‚ averaging to about 10 a week International Calls will not be included in determining which plan is best
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Ma KEY STAGE 2 LEVELS 2005 3– 5 2005 This booklet contains CONFIDENTIAL test questions. It MUST BE KEPT SECURE. It should not be opened until the mental mathematics test is due to start on Thursday 12 May. Early opening‚ up to one hour before the test starts‚ is permissible only if papers are needed for administrative purposes. Mathematics tests Mental mathematics test Audiotape/CD transcript This booklet contains a transcript of the key stage 2 mental mathematics test
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1. A _______ is a group of people who agree to save their money together and to make loans to each other at a relatively low rate of interest. C. credit union 2. With _______ insurance‚ the insured agrees to pay a specific premium each year until death. B. whole-life 3. In a health insurance policy‚ a statement that an applicant won’t be covered for a certain pre-existing condition is called a/an C. exclusion. 4. All insurance is based on a principle called D. division
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In Mathematics‚ a periodic function is a function that repeats its values in regular intervals or periods. Periodic functions are used throughout science to describe oscillations‚ waves‚ and other phenomena that exhibit periodicity. Periodic functions are those that repeat on a set interval. All trigonometric functions are periodic. They are useful because one can determine the value of the function anywhere in the domain. If a function is periodic‚ then there is some value n for which
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Homework #4 - SQL Use the following (denormalized) database schema (and the attached tables) to write the queries. Publishers (custid‚ name‚ city‚ phone‚ creditcode) Bookjobs (jobid‚ custid‚ jobdate‚ descr‚ jobtype) POS (jobid‚ poid‚ podate‚ vendorid) Items (itemid‚ descr‚ onhand‚ price) Po_Items (jobid‚ poid‚ itemid‚ quantity) For each question‚ turn in the Oracle SQL query and the output. You should feel free to do these by hand (paper and pencil)‚ or you may actually run them
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