document.write( "Question 727305: The temperature has been as high as 89 and low as 43. Find values for a and b so that the solution to |x-a|_< b expresses the temperatures in terms of x. (The phone won't allow me to input less than or equal to, but that's what comes after the absolute value. \n" ); document.write( "
Algebra.Com's Answer #445051 by stanbon(75887)\"\" \"About 
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The temperature has been as high as 89 and low as 43. Find values for a and b so that the solution to |x-a|_< b expresses the temperatures in terms of x.
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\n" ); document.write( "Find the midpoint of the interval.
\n" ); document.write( "(89+43)/2 = 66
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\n" ); document.write( "Find the distance to an endpoint.
\n" ); document.write( "89-66 = 23
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\n" ); document.write( "|x-66| <= 23
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\n" ); document.write( "Ans: a = 66 ; b = 23
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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