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3. Symbol Equations - Chemistry

great question! Although that would make both sides equal, in chemistry NaCl2 is not a compound, I'm not sure if you've learned this yet but NaCl balances the charges while NaCl2 doesn't. So this w...

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2. General Khan Academy Questions
3. What is Velocity?

Joe's right, in general for kinematics use the units to make sense of the quanities, bc velocity is in distance/time, multiplying by time will give distance.  

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3. how to start at the beginning grammar and math? basic?

For math I would recommend the math program here on khan academy, also consider checking out youtube for math channels that you like. for grammar reading books will be helpful, and if you want to l...

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3. AP Statistics

I don't think I'm qualified to answer this bc I'm in highschool, but from what I know I don't really think there is any value in taking the exam unless it would allow you to skip specific courses, ...

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3. Where the heck does the 1 come from?

the distributive property is the underlying principle in this problem. I think we should stick to numbers instead of using variables like "a" for ex: 10(1+3) =10(1)+10(3) it's important to note tha...