document.write( "Question 1175301: If there are five different flags to select, how many different signals can be made by using at least 3 distinct flags? \n" ); document.write( "

Algebra.Com's Answer #800890 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "Different signals corresponds to different patterns (ordered sequences) of colored flags,\r\n" );
document.write( "\r\n" );
document.write( "and repeating is prohibited.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\"Using at least 3 distinct flags\" means using 3, or 4, or 5 flags.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The number of different signals is\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    5*4*3 + 5*4*3*2 + 5*4*3*2*1 = 300.      ANSWER\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );