document.write( "Question 1152945: A telephone calling card charges a connection fee,plus a charge per minute. A 5-minute call cost $2.98. A 15-minute call costs $7.18. What is the cost of the connection fee?\r
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document.write( "2, find the solution:
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document.write( "y=3/5x+7
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document.write( "y=3/5x-1
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document.write( "A infinitely many solutions
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document.write( "B 0
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document.write( "c.8
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document.write( "d. no solution\r
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document.write( "3. which equator represents a linear function?
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document.write( "a. y=1/x
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document.write( "b. y=2x-3
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document.write( "c.y=5x^3+8
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document.write( "d.y=x^2x+1 \n" );
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Algebra.Com's Answer #775071 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! -------------------------------------------------------------- \n" ); document.write( "A telephone calling card charges a connection fee,plus a charge per minute. A 5-minute call cost $2.98. A 15-minute call costs $7.18. What is the cost of the connection fee? \n" ); document.write( "2, find the solution: \n" ); document.write( "--------------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y=mx+b \n" ); document.write( "Points as (x,y) \n" ); document.write( "b, connection fee \n" ); document.write( "m, the per minute price\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "points given are (5,2.98) and (15,7.18).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You could use b=y-mx, pick either of the given points for x and y, and use \n" ); document.write( "\n" ); document.write( ".\r \n" ); document.write( "\n" ); document.write( ". \n" ); document.write( " |