von luger

1. Community
2. Classroom Product Questions and Feedback
3. Please develop a program for schools to buy

I think I see what you mean; the Khan Academy Classes system does have a series of courses, video lessons and articles, as well as assessments, but does not report on data about the child's predict...

1. Community
2. Classroom Product Questions and Feedback
3. Please develop a program for schools to buy

I understand your concerns with the iReady program; I've heard a lot of complaints about it on other platforms. If it's frustrating, do you think you might be able to propose using the Khan Academy...

1. Community
2. Study Group
3. Evaluating expressions with multiple variables question

Yes, you must always use PEMDAS when dealing with any mathematical problem, regardless of whether or not it has multiple variables.  If you have any questions about how to solve a specific problem,...

1. Community
2. Study Group
3. Need help with this chemistry problem.

First, it's quite useful here to draw a skeleton diagram of this formula. Above is a diagram of the compound you described. Note that the longest chain here is the 10 carbon atom chain, and the co...

1. Community
2. Classroom Tips and Tricks
3. Create a Diagnostic or Placement Test in Khan Academy

Often, when you start a mission in a subject like Precalculus, you have to complete a sort of 'diagnostic' mastery challenge for that particular topic to gauge where you stand in that area. That is...

1. Community
2. Study Group
3. Please help me with a question about Linear equations from tables

We can work through this problem algebraically, with steps.  So, first you can identify the fact that the volume of water that still needs to be added to the pool is dependent on the time elapsed s...

1. Community
2. Study Group
3. Help

So, as Regina implied above, it's kind of difficult to tell which equation you're talking about. However, I'll just go through both of the possibilities. And, I'm assuming that by double prime, you...

1. Community
2. Study Group
3. Vectors in precalculus

No, you need to know vectors before you go on to some branches of calculus and vector calculus. So, you should study matrices and vectors in pre-calculus before moving forward with calculus. 

1. Community
2. Study Group
3. Chemistry, what are known as chemical double displacement reaction?

In chemistry, the double displacement reaction involves two compounds that react like so, where A, B, C, and D are all elements.  AB + CD --> AD + CB The two basically switch the compounds they wer...

1. Community
2. Study Group
3. ADVICE

In terms of how Sal can learn all of this material and teach it, I have no idea how he does it. It amazes me to this day. Secondly, you asked how you can improve your chemistry study strategies, an...