document.write( "Question 1098638: If its 40 degrees and 10 chirps are per minute and its 48 degrees and 20 chirps are per minute then predict the temperature when 30 chirps are per minute? \n" ); document.write( "
Algebra.Com's Answer #713000 by josgarithmetic(39617)\"\" \"About 
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Points (40,10), (48,20), and (x,30).\r
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\n" ); document.write( "\n" ); document.write( "Assuming linear relationship,
\n" ); document.write( "\"m=%2820-10%29%2F%2848-40%29=10%2F8=5%2F4\"
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\n" ); document.write( "\"highlight_green%28y-10=%285%2F4%29%28x-40%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%284%2F5%29%28y-10%29=x-40\"\r
\n" ); document.write( "\n" ); document.write( "\"%284%2F5%29%28y-10%29%2B40=x\"\r
\n" ); document.write( "\n" ); document.write( "\"x=%284%2F5%29%2830-10%29%2B40\"\r
\n" ); document.write( "\n" ); document.write( "\"x=%284%2F5%29%2A20%2B40\"\r
\n" ); document.write( "\n" ); document.write( "\"x=16%2B40\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=56%29\"---------temperature when 30 chirps per min.
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