Popular questions and responses by gerrard
  1. math

    A pack of 6 pens cost $30. A pack of 8 files cost $24. A student wants to buy an equal number of pens and files. What is the least amount that the student must pay?

    asked on March 6, 2015
  2. calculus

    Using an integration formula,what is the indefinite integral of (sign for integral)(cos(4x)+2x^2)(sin(4x)-x)dx. Any help very much appreciated.

    asked on May 21, 2011
  3. Chemistry

    Consider a one step reaction. Which of the following does not describe the activation energy of the process? The minimum amount of energy needed for a reaction to occur The energy difference between the starting point and the transition state The energy

    asked on February 8, 2017
  4. Science

    You are holding the axle of a bicycle wheel with radius 30 cm and mass 1.07 kg. You get the wheel spinning at a rate of 79 rpm and then stop it by pressing the tire against the pavement. You notice that it takes 1.11 s for the wheel to come to a complete

    asked on November 26, 2012