document.write( "Question 2600: Would you please be able to give me a detailed description on how to do this linear quetion?\r
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document.write( "QUESTION: A rock climber climbs a cliff at a steady rate. She starts at the bottom of the cliff, which is 1200m above sea level. 8minutes into the climb she is 1224m above sea level.\r
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document.write( " a. Let y=metres above the sea
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document.write( " and x=Climbing time in minutes.
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document.write( " Write the coordinates of the y-intercept.\r
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document.write( " b. What are the coordinates of another point?\r
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document.write( " C.How many metres is she climbing per a minute?\r
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document.write( " D.What is teh equation the describes her height above sea level while she is climbing?\r
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document.write( " E. She finishes climbing the cliff in 18 minutes. How high is she above sea level?\r
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document.write( "Thank you so so much if u can help i need detailed exlanations if possible thanks\r
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Algebra.Com's Answer #1111 by longjonsilver(2297)![]() ![]() You can put this solution on YOUR website! at time x=0, the height of the climber, y = 1200. This is your answer to part a) since the y-intercept is where x=0.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "b. other coordinates are (8, 1224)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "c. in 8 minutes, she climbs 24 metres. So, in 1 minute, she climbs? 3 metres. So she climbe 3 metres ever min... that is her rate.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now \"rate\" is another word for gradient...so, knowing your y=mx+c standard form of a straight line, gives:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "d. y = 3x+1200\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "e. in 18 minutes...\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y = 3(18) + 1200 \n" ); document.write( "y = 54 + 1200 \n" ); document.write( "y = 1254m\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "make sense?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "jon \n" ); document.write( " \n" ); document.write( " |