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Khan Academy

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2024年9月10日 · Hey everyone! I had the same problem until I turned my ad blocker off. I'm pretty sure it is because of ad blockers. Turn yours off and see what happens.

Անվճար սովորիր մաթեմատիկա, արվեստ, համակարգչային գիտություն, տնտեսագիտություն, ֆիզիկա ...

Hi Ben! I think you can apply for a content specialist job at Khan Academy (I understand if this is too extreme). Unfortunately, I can't find any contact info so you can email or phone them. My apologies if this isn't what you're looking for. All the best!!!

If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

2018年7月16日 · For me, it is easier to think about this problem if I make up the size of the tank. Let's say the tank holds 40 liters. As stated in the problem, it will take 40 minutes to fill the take and 60 minutes to drain it.

One of the hallmarks of a successful business is to listen to the demand of your customers. I think you guys should consider a CFA study section, nobody else offers one that isn't astronomical in price and there is huge demand for it with many college graduates going in to finance.

Some homeschoolers use Khan Academy exclusively for their homeschool math curriculum and some use it only as a supplement. I am curious what Khan Academy says about their math levels being used a full homeschool math curriculum.