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# How is algebra used in real life?

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The formulas of algebra are used every day in real life when distance needs to be determined, volumes in containers need to be figured out and when sale prices need to be calculated. When using a recipe and doubling it or cutting it in half, algebra is used to determine the exact amount of ingredients. Basic algebraic equations are used almost every day although people often do not realize it.

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Algebra is used regularly when figuring finances either for a home or business. Engineering and scientific fields also use algebra daily in their lines of work. When looking to make a major purchase and comparing rates of interest, algebra is used. Algebraic equations must be used to determine the exact price after calculating the purchase price plus financing.

When searching for cell phone providers with contracts, consumers weigh the pros and cons to determine the differences between cell phone providers. Possibly using graphs in combination with algebraic calculations to understand all the costs and benefits of each provider, consumers can choose the provider that offers the best value in terms of service and options.

Algebra is also used when calculating the amount of paint needed to paint the walls of a room. It is also used when determining the amount of carpeting needed to carpet a floor.

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## Related Questions

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An example of using an integer as an absolute value in real life is describing the distance, to or from something, using a whole number. For instance, someone would say they are 5 miles from Tucson or 5 miles past Tucson. In both cases, the person would be describing the distance as a positive number.

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One of the most common real life examples of a redox reaction is one that is necessary for life itself, in which a cell oxidizes glucose to carbon dioxide and reduces oxygen to water, providing energy through cellular respiration. In plants, the reaction occurs in the opposite direction and uses energy supplied by the sun, according to Reference.com.

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To learn algebra, you need to understand the basic principles of how to balance equations and then apply them to progressively harder problems. You should start by finding out what equations, variables and constants are before learning the rules for balancing equations.