For a complete lesson on algebra word problems, go to http://www.MathHelp.com – 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn to solve “number” word problems, such as the following. One number is four times as large as another. The sum of the numbers is 45. Find the numbers. Since the first sentence states that one number is 4 times as large as another, the numbers can be represented as x and 4x. Since the second sentence states that the sum of the numbers is 45, the equation can be set up as x + 4x = 45.
In this video I’ll show you exactly how to do your polar alignment process if you’re in the Southern Hemisphere. Since there’s no North Star to align to, this can make things a bit more complicated! However, using the Sigma Octans stars will allow us to do our alignment without too much hassle! For more…
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