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OpenStudy (megpitts):
Suppose a railroad rail is 44 kilometers and it expands on a hot day by 15 centimeters in length. Approximately how many meters would the center of the rail rise above the ground?
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OpenStudy (mathstudent55):
|dw:1473875374336:dw|
OpenStudy (mathstudent55):
|dw:1473875407668:dw|
OpenStudy (mathstudent55):
|dw:1473875431320:dw|
OpenStudy (mathstudent55):
Use the Pythagorean theorem. Are you sure your numbers are correct?
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