Is it possible to learn an instrument without going through the whole grade 1-8 thing? I plan to learn saxophone (alto) but I just get really put off by the knowledge and other stuff you have to do to pass the test. (I played flute before) Would it be weird to ask a teacher to just teach you...
Q: The cross-section of a trough L metre long is in the shape of an isosceles triangle of base measurement 2a metre and height b metre. Water leaks from the trough at a constant rate of c metre^3/min. Find the rate at which the water level is falling when the depth of the water is b/2 metre.
A...
http://www4.boardofstudies.nsw.edu.au/testResults.cfm?testID=14069431&testUUID=781F02DD-B485-9B02-49B8FB02772D9312&question_id=1199&question_num=15&correctAnswer=C&user_answer=D&courseID=5020&testQuestionID=281887742
I really don't understand why it is C. I thought currents were divided in...