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How to use the formula for distance, rate (speed), and time to solve problems
Автор: Math Mammoth
Загружено: 2016-09-28
Просмотров: 30428
Описание:
An introduction to the formula for distance, constant speed, and time: d = vt (or d = rt if you use r as rate instead of v as velocity). First I explain an easy way to memorize this formula in the form v = d/t, comparing it to the common way to express the speed of cars, such as 55 miles per hour.
Then we solve a few simple problems involving distance, time, and speed using the formula.
This lesson is meant for 7th grade / pre-algebra and onward. Check out also my other pre-algebra videos at http://www.mathmammoth.com/videos/pre...
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![Трюк со скоростью, расстоянием и временем [Без рекламы]](https://image.4k-video.ru/id-video/7fz-4BUDyqg)
