document.write( "Question 806465: For a ground temperature of 15 degrees C, the air temperature (t) at an altitude of 500 m (h) is 10 degrees C. At 2000 m, the air temperature is -5 degrees C. Use the ordered pairs (h,t) to write a linear equation.
\n" ); document.write( "B. Use this linear equation to find the air temperature at 1500 m \n" ); document.write( "
Algebra.Com's Answer #486744 by TimothyLamb(4379)\"\" \"About 
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(500, 10)
\n" ); document.write( "(2000, -5)
\n" ); document.write( "using the two-point form:
\n" ); document.write( "m = 10 - -5 / 500 - 2000 = -0.01
\n" ); document.write( "b = 15
\n" ); document.write( "t = (-0.01)h + 15
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