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An example:

Laser beams are sometimes modelled as being infinitely thin but in reality they do have some width and this width changes with respect to distance from the laser source. Using algebra it is possible to calculate the distance where the laser beam has a minimum width. This is useful because laser devices are used to read information on cd's and dvd's so minimizing the beam width at the cd/dvd will allow for more data to be stored on the cd/dvd.

Another example:

A fat man wants to take a boat ride. If he knows the dimensions of the boat then he can calculate the buoyant force on the boat and compare it to the gravitational force due to his mass. If the former is less than the latter, the boat will sink and he will get wet which will ruin his new pants (they dissolve in water)

Final example:

You have a cannon that shoots blocks of cheese and you want to shoot some smelly cheese through someone's bedroom window. You can use algebra to calculate the angle your cannon should make with the ground in order to hit your target and hence, give someone a smelly surprise.

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Q: When do you use algebra in real life?
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Related questions

When will you use algebra in real life?

You could use algebra in real life in nearly anything that you do. You could use algebra to calculate how much gas you will put in your car and how much it will cost you.


Will we ever use algebra in real life?

Many people learn algebra, and then never use it in their "real life". It's not that it COULDN'T be useful; but rather, that many people tend to forget how to use it. In some professions, you will DEFINITELY need algebra - as well as more advanced math.


What is the importance of algebra in our daily life?

Most people don't use algebra in their daily lives, mainly because they forget how to use it - except those that work in engineering or science. If you are comfortable with algebra, you COULD use it to solve problems in a variety of real-life situations.


How can you use algebra in real life?

If you're a teacher. Or if you're a student who wants to get his maths homework right.


What is the use of pascal's triangle?

we can use it in many ways, we can use it in algebra, even in our real life. you can learn the multiplication, addition, and in many triks.


Where do we use algebra?

In life


Where is algebra used in real situtations?

Mathematics which includes Algebra is considered "the mother of all science". Therefore it is used of course extensively in all higher mathematics and in all the sciences. It is possible to use some problem solving techniques that you learn in Algebra to solve proplems in real life even if you are not a scientist or mathematician.


When do you use algebra in your life?

The basics come into use quite often, though you might not even realise you are using algebra.


Why do you use algebra in your daily life?

U use algebra in your daily life because you could need it in jobs or careers when you get old enough to have them. Also people like algebra and have jobs like accounting so you have to learn it... ! ...


How will you use college algebra in real estate?

Calculating dimensions of properties.


Are we ever going to use Algebra 2 in life?

Yes, in a way. Algebra teaches you how to solve problems


Why is it important to connect algebric expressions to real life?

The whole idea of algebra (at least, to a great extent) is to help solving real-life problems.