so lets say you have a building that is 16 ft and next to it is a flagpole that is 8 ft and cast a 3 ft shadow so that means you set it up like this:3/8 = x/16 and figure it out (tip cross multiply and divide)
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Algebra is a tremendously useful mathematical tool, without which modern science and technology would not have been possible. Algebra was invented as a tool for solving mathematical problems, and it has proved to be tremendously useful. Modern technology as we know it would have been impossible without the use of algebra. +++ More accurately, algebra is the set of symbols and rules used to construct mathematics. It is not a calculating tool to solve problems in its own right, but allows you to express the ways in which to solve those problems.
It really depends on the type of equation. Sometimes you can know, from experience with similar equations. But in many cases, you have to actually do the work of trying to solve the equation.
the catapult sovled many different problems some are that you would need to throw the object extermly far which is impossible unless the object is very small another promblem the catapult sovled was flinging large masses extermly far without the aid of explosives.
I would not waste my time, because that's not an inequality.
he helped by giving food to the poor and helping lots of people because that's what a good president would do so he is a good president if you go to jokes.com there is good president jokes if you type in www.jokes/president.com