Tuesday

February 9, 2016
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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