Distance Time Graphs Definitions * Speed: Speed is a scalar quantity that refers to "how fast an object is moving." Speed can be thought of as the rate at which an object covers distance. A fast-moving object has a high speed and covers a relatively large distance in a short amount of time. * Velocity: Velocity is a vector quantity that refers to "the rate at which an object changes its position." When evaluating the velocity of an object‚ one must keep track of direction. It would not
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Comparing Cell Phone Plans AT&T Wireless Cell Phone Plans The cost for a cell phone varies from company to company and plan to plan within each company. A plan that suits one person may not be beneficial to another. Explore the pricing and the rate of change in each of the following single-line plans from AT&T. Plan with 450 minutes Plan with 900 minutes Plan with unlimited minutes Use the Plan Description to complete the tables (see the example below) and to plot the data points on the
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Red tama ung wlang highlight mali un.. haha 1 Suppose that a consumer’s income triples. However‚ at the same time‚ both the price of and the price of also triple. This consumer has experienced Response: no change in purchasing power. * Edit Question 2 Suppose the price of is PhP20 and the price of is PhP10 and that good is plotted on the horizontal axis. If the price of doubles and the price of triples‚ leaving the consumer’s income unchanged‚ the budget line Response: will shift out from
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Imagine that a line on a Cartesian graph is approximately the distance y in feet a person walks in x hours. What does the slope of this line represent? How is this graph useful? Provide another example for your colleagues to explain. The slope of the line represents the speed of the person in feet per hour. This graph is useful because it provides a visual representation of the continuous motion of the person walking‚ something that could not provided by something like a bar graph. In a bar graph
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1. The perimeter of this rectangular field is 220 m. One side is x m as shown. Wm xm (a) Express the width (W) in terms of x. (b) Write an expression‚ in terms of x only‚ for the area of the field. (c) If the length (x) is 70 m‚ find the area. Working: Answers: (a) ………………………………………….. (b) ………………………………………….. (c) ………………………………………….. (Total 4 marks) 1 2. The diagram shows the graph of y = x2 – 2x – 8. The graph crosses the x-axis at the point A‚ and has a vertex at B. y A x O B (a)
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FREQUENCY POLYGONS W H AT I S A F R E Q U E N C Y P O LY G O N Frequency polygons are a graphical device for understanding the shapes of distributions. They serve the same purpose as histograms‚ but are especially helpful for comparing sets of data. Frequency polygons are also a good choice for displaying cumulative frequency distributions. H O W T O C R E AT E A F R E Q U E N C Y P O LY G O N To create a frequency polygon‚ start just as for histograms‚ by choosing a class interval. Then draw
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5/2/2006 Aim: Does the resistance of a filament bulb change as the bulb gets brighter? Hypothesis: I believe that a filament bulb will have an increasing resistance depending upon the current passing through it. Equipment: *Power Supply *Wires *Ammeter *Voltmeter *Filament bulb with holder *Alligator clips *Switch Method: 1.Set up the circuit according to the schematic diagram 2.Use the alligator clips to connect the filament bulb to the voltmeter 3.Connect the power supply to the electricity
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Vectors in Two and Three Dimensions Print References 1. H2 Mathematics for ‘A’ Level Volume 1‚ Federick Ho‚ David Khor‚ Yui-P’ng Lam‚ B.S. Ong 2. Core Maths for Advanced Level (2000)‚ L. Bostock & S. Chandler. 3. Pure Mathematics (2000)‚ A. Martin‚ K. Brown‚ P. Rigby‚ S. Riley. Non Print References 1. http://www.geocities.com/h2maths Objective: At the end of the chapter‚ students should be able to 1. understand the geometrical and physical interpretations of two and three dimensional
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12 th CBSE SAT (2) (SESSION : 2014) SUBJECT : MATHS( xf.kr ) SOLUTION ( gy ) 19. LHS bc c a ab qr r p pq yz zx xy C1 C1 + C2 + C3 2(a b c ) c a a b = 2(p q r ) r p pq 2( x y z) z x x y abc c a ab =2 pqr r p pq xyz zx xy C2 C2 – C1 C3 C3 – C1 abc =2 b c pqr q r xyz y z C1 C1 + C2 + C3 a b c =2 p q r x y z a b c =2 p q r x y z Hence Proved
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Week 2 Assignment Yasir Shakoor Intermediate Algebra MAT222 Professor Perez 09/01/2014 For our Week 2 assignment‚ in Intermediate Algebra‚ we were asked to solve the problem number 68 on page 539 of Elementary and Intermediate Algebra. aside from completing the problem‚ we were also asked to write a two to three page paper while including the five given vocabulary words for the week. Please see the problem below: Shipping restrictions. The accompanying graph shows all of the possibilities
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