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date	2018.03.14.17.37.38;	author root;	state Exp;
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@This document (Activity 2: Finding the Charges Graphically) is re-created by black-butterfly-cc on 30 June 2017
@


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    "content": "<h2 style=\"text-align: center;\">Activity 2: Finding the Charges Graphically<font face=\"Arial\"><font face=\"Mangal\"> </font></font></h2>\r\n\r\n<p>We can use the equations to plot graphs and predict find the charges graphically. This will enable us to find the charges very easily for different rates.&nbsp;<br />\r\n<br />\r\nWe can do this by plotting a graph of the equation&nbsp;</p>\r\n\r\n<div style=\"text-align: center;\">C = 8 \u00d7 w + 30.</div>\r\n<br />\r\nFor doing this in GeoGebra we will write the equation as in the Input Bar at the bottom:\r\n<p>&nbsp;</p>\r\n\r\n<div style=\"text-align: center;\">y = 8 \u00d7 x + 30</div>\r\n<br />\r\nTo find the charges, we need to take points on this line. The value of x changes from 0 to 9. This is because if there are more than 9 units of 500gms., the weight will cross 5kg. and a different tariff rate will be applicable.<br />\r\n<br />\r\nThe animated gif below shows you how to do this.\r\n<div style=\"text-align: center;\"><img alt=\"Below_5kg_Input_Box\" src=\"/media/8/6/2/a4464718a040a3db9727609d9a894a0162d7d100de2712fe323766fb7b4f2.gif\" width=\"600\" /></div>\r\n<br />\r\n<br />\r\nTo find the charges, we draw an intercept with a slider. The Y coordinate of the point of intersection of this intercept with our line gives us the required charges.\r\n<div style=\"text-align: center;\"><img alt=\"Below_5kg_Slider_1\" src=\"/media/0/a/1/1ed9c75b8e8318f7cf494c2fdc28db3dd0fec125cc493faca2dc2c0a804a9.gif\" width=\"600\" /></div>\r\n&nbsp;\r\n\r\n<div style=\"text-align: center;\"><img alt=\"Below_5kg_Charges\" src=\"/media/0/a/e/95f64e2e0d8e9ab6064029b4272ac6011efdc82bdd55faf818ed8997449d9.png\" width=\"600\" /></div>\r\n<br />\r\nSimilarly, for above 5 kgs, we can draw the graph for the equation:\r\n<p style=\"text-align: center;\"><font size=\"3\">C= (10 &nbsp;x w) + 102</font></p>\r\n\r\n<p>Which is shown in this figure.</p>\r\n\r\n<p style=\"text-align: center;\"><img alt=\"Above_5kg_graph\" src=\"/media/5/b/a/1c8b5ccb64b7d1f0c12560b9867335c0e4e170dd990f8ded52c060b38be66.png\" width=\"600\" /></p>\r\n\r\n<p>&nbsp;</p>\r\n\r\n<p style=\"text-align: center;\"><img alt=\"Above_5kg_Slider_movement\" src=\"/media/8/7/0/564cda128e633c6316e92a9ec2d310ebfdb19ae43b68ccbccf136b468ef7d.gif\" width=\"600\" /></p>\r\n<font size=\"3\">Moving the slider, we can know the value of charges required for that parcel. Here again the Y coordinate of the point of intersection gives us the charges applicable.</font>\r\n\r\n<div lang=\"en-GB\">&nbsp;</div>\r\n<font size=\"3\">Thus, we see that drawing graphs is an easy way to find the charges for parcels.</font><br />\r\n<br />\r\n&nbsp;\r\n<p><img alt=\"geogebraicon\" src=\"/media/d/e/1/af369029c797e41960db6ddb2a25388a60c5146acecaeeef2e12ac226728d.png\" width=\"50\" /><a href=\"/59b662f42c47962c1d002147/course/asset_detail/5aa2362569602a013f0bad7d\" target=\"_blank\"><img alt=\"upload\" icon=\"\" images=\"\" src=\"/media/c/e/6/b5dc6d97c048fed7929c981af139efe99423e7b9f94d10b96a3fa493dbd6d.svg\" width=\"50\" /></a>(Click here to upload)</p>\r\n\r\n<p>Try it on geogebra on your computer and upload the files here</p>\r\n",
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