BlackmoonTheDragon

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3. Subtracting Negative Numbers With Fractions

If you are trying to subtract the fractions, first you have to have the same denominator (the number that goes on the bottom of the fraction). You can do this by multiplying one of the fractions by...

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3. Compound Interest: how does factoring or isolation produce the #1 in Compound Interest Formula?

Sorry this is a bit late, but I may be able to help! Bottom line before and if you get confused: you are doing/thinking about this 100% correctly. This equation shown in the picture is actually not...

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3. Sal if you read this, please help me.😅

Yeah, I don't think I've gotten deep enough to help you with that.... maybe you can use the masses on the periodic table to determine how many moles/atoms are in each gram amount, and then use that...

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2. News and Updates from Khan Academy
3. News: Khan Academy hits 7 million YouTube subscribers!

Let's gooooo, nice job! Love using this site and I am so appreciative of it. Amazing work, everybody!

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3. Sal if you read this, please help me.😅

Are ideal gases the same as noble gases? Can you supply a picture of your homework please, or one of your problems? I believe that I can help :) Edit: I also found this on ideal gases, but this is ...

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3. SAT test!!!!

What specific math concepts are you confused about? I can always help! If you want to, you can always use the official Khan Academy practice, which has practice tests and diagnostic quizzes so that...