document.write( "Question 893410: The frequency of a radio wave varies inversely as its wavelength. If a 50-meter wave has a frequency of 6,000 kilohertz, what is the wavelength of a wave that has a frequency of 400 kilohertz? Round your answer to the nearest meter. \n" ); document.write( "

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The frequency of a radio wave varies inversely as its wavelength.
\n" ); document.write( " If a 50-meter wave has a frequency of 6,000 kilohertz, what is the wavelength of a wave that has a frequency of 400 kilohertz?
\n" ); document.write( " Round your answer to the nearest meter.
\n" ); document.write( ":
\n" ); document.write( "let w = wavelength of a frequency of 400 kc
\n" ); document.write( "An inverse ratio equation
\n" ); document.write( " $\"w%2F50\"$ = $\"6000%2F400\"$
\n" ); document.write( "cross multiply
\n" ); document.write( "400w = 50 * 6000
\n" ); document.write( "400w = 300000
\n" ); document.write( "w = 300000/400
\n" ); document.write( "w = 750 meters
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