Recent content by njkid

9th Grade Honors Biology Question: An extract of red coleus leaves is prepared in a solvent consisting of a mixture of acetone and ether. The chromatogram obtained from the extract shows green and yellow pigments but no red pigments. a. Why is the red pigment absent from the chromatogram...

Thanks so much! It was 2nd Format.

Ok, somehow, my graph does not show the x,y axis. I think there is no problem with my WINDOW... How can i fix this? WINDOW: Xmin=-10 Xmax=10 Xscl=1 Ymin=-10 Ymax=10 Yscl=1 Xres=1 https://www.physicsforums.com/attachment.php?attachmentid=5550&d=1131859881"

The tern "buffer" is used in many products. What is a buffer? Some weak acids and bases work as a buffer system. Biocarbonate (HCO3-) is a common ion in your blood stream which acts as a buffer. Write an equation for how the pH of blood is restored to normal range when it bocomes acidic using...

Thanks again. Ill find the tutor.

Thanks for your opinion guys, but i dropped it today. Misskitty, my guidence councelor don't even know about me, because i am a transfer student, and a school i went before tought me very easy class. Progress report... i know, i wanted to try more, but i was kind of "kicked out" of this advanced...

SO... I am a Soph. high school, taking Honors Algebra 2 class. I just got a progress report and it saids I am getting "F" (64%)... i love math, and want to be good at it, because i really really want to become a Vet, and i know it is impossible without math and science. What do u guys think i...

Thank you very much.

Whats the difference between "Vertical Compression" and "Horizontal Compression"? Can you give me couple example? Thank you.

Oh... i put -8 into k... that's why.

I got this wrong is my quiz and i still don't get it. Find the value of k so that equation has the solution of -8. |x-2| = k Thanks.

Hello. I am looking for websites where I can download mathpractice sheets. I am currently taking Algebra 2 and Geometry. I don't want like calculus stuffs. Do you guys know anywhere? Thank you.

Wow! You are so good at teaching! Thank you everybody!

This is Algebra 2 question... I have to prove that the square root of 2 is irrational... First we must assume that sqrt (2) = a/b I never took geometry and i don't know proofs... Please help me. Thank you.

Thank you.