Tuesday
April 21, 2015

Posts by Gerrard


Total # Posts: 3

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?
March 6, 2015

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 stop. What is the ...
November 26, 2012

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.
May 21, 2011

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