Sunday

January 22, 2017
Total # Posts: 13

**Calculus**

Can someone please tell me how to find the following integral? cos^4(2q)*sin(2q) dq

*September 3, 2011*

**Biology**

Sorry didn't notice, now I saw it.

*September 3, 2011*

**Biology**

These are true and false questions and I want to be sure of my answers. Please someone check. Thanks: The eight-element periodicity found in the Periodic Table is related to the number of electrons in the outermost energy level of the atoms that make up each element. True 2. ...

*September 3, 2011*

**Biology**

These are true and false questions and I want to be sure of my answers. Please someone check. Thanks: The eight-element periodicity found in the Periodic Table is related to the number of electrons in the outermost energy level of the atoms that make up each element. True 2. ...

*September 3, 2011*

**Biology**

Thanks.

*August 31, 2011*

**Biology**

1. A medical scientist is designing an experiment to test the results of a new drug that she hypothesizes will greatly reduce and possibly eliminate the side effects of a new cancer treatment. If this experiment is to be set up correctly, she must (A) divide the patients into ...

*August 31, 2011*

**Calculus**

Find the equation of a circle with center C(1,6) and tangent line x-y-1=0.

*July 29, 2011*

**Calculus**

Find the equation of a quartic polynomial whose graph is symmetric about the y-axis and has local maxima at (−1,1) and (1,1) and a y-intercept of -1.

*April 3, 2011*

**Chemistry**

Oh, I made some mistake with the values... now I got 4.67x10^-19 well actually 4.68x10^-19 but that's not in the options... is this answer right?

*March 25, 2011*

**Chemistry**

What is the energy of a 425 nm photon? a) 2.82 x 10^-40 J b) 1.6 x 10^-27 J c) 4.67 x 10^-19 J d) 4.67 x 10^-28 J I don't get any of these answers. =S Please help...

*March 25, 2011*

**Chemistry**

What is the energy of a 425 nm photon? a) 2.82 x 10^-40 J b) 1.6 x 10^-27 J c) 4.67 x 10^-19 J d) 4.67 x 10^-28 J I don't get any of these answers. =S Please help...

*March 25, 2011*

**Derivatives**

Find the derivative of g(t)=8t^2+9t at t=1 algebraically... g'(1)= _________

*February 14, 2011*

**Chemistry**

What is the empirical formula of caffeine (C8 H10 N4 O2)? How do I get it? Thanks

*February 10, 2011*

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