Recent content by jzachey

Oh thank you so this means ∫\frac{3}{7(x-2)}+\frac{4x-9}{7(x+x+1)} From here you integrate

Thank you Mark44, I understand this problem by heart already, but kindly understand it's a bit time consuming on tests, quizzes so forth.often when your on a limited time frame.

using partial fractions I obtained (x^2-2x+3) -----------dx ((x-2)(x^2+x+1) A bx+c -- + -------- x-2 x^2+x+1 A=3/7 B=4/7 c=-9/7 this is my attempt, i how it helps somwhat, I'm not sure if it's correct so I apologize early on.

Homework Statement A tank contains 1000L of brine with 15 Kg of dissolved salt. Pure water enters the tank at a rate of 10 L/Min. The soultion is kept thoroughtly mixed and drained from the tank at the same rate. How much salt is in the tank(a) after t minutes and (b) after 20 minutes...