Help! Problem with simple script

Help! Problem with simple script

Hello, I'm taking a few steps in jquery, but I have a problem that had not before ...
by clicking on the input type = "button" with id = "btn-send", the # result is not shown .... I can not find the solution you ...
I would appreciate your help.

  1. <script type="text/javascript" src="js/jquery-1.9.0.js"></script>

  2. <script type="text/javascript">
  3. $(document).ready(function(){
  4. $('#resultado').hide();
  5. $('#btn-enviar').click(function() {
  6. $('#resultado').show();
  7.         });
  8. });
  9. </script>