Joe Song#TEE#BringBackBackgrounds

they aren't right angles, and they aren't perfectly square. Get a protractor.

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3. Why isn't this a right angle?

Me too!

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2. Technical Issues and Workarounds
3. There Is A Problem With The Nice Streak Badge!

The difference between squaring and cubing is that in squaring, you multiply a number by itself (n*n). cubing is similar, but you do it 3 times (n*n*n).

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3. Squaring and Cubing

The 12 km/h is the speed at which the car was traveling, so 1/2 of an hour * 12km/h = 6km traveled in all. The 3 km is the distance from home to store one-way. I hope this explained it!

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

you have to get 20 questions correct in a row

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2. Technical Issues and Workarounds
3. Nice Streak badge seems to be bugged

you need to wait at least 12 hours to take another one on the same course

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2. General Khan Academy Questions
3. How do I retake a Mastery Challenge?

This practice is considered advertising.

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3. Guideline Question

thanks

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3. surface area of cylinders