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When you work out a long division problem on your calculator, by default, it gives you the result as a whole number followed by a decimal with numbers after the decimal. But depending on the context for the division problem,…
A function is a mathematical relationship where a value of “x” has one value of “y.” Though there can only be one “y” assigned to an “x,” multiple “x” values can be attached to the same “y.” The possible values…
There are several species of black ants that bite. Under most circumstances, an ant bite may hurt but will not be dangerous. There might be a small welt and some itching, but nothing worth seeing a doctor about. Fire ants,…
The world is filled with angles. From the angle of a beam in a cross to the slope of a roof, you need tools to measure those angles with precision. Each profession has it own specialty tools to determine angles,…
Circles are everywhere in the real world, which is why their radii, diameters and circumference are significant in real life applications. But there are other parts of circles – sectors and angles, for instance – that also have importance in…
“Resilience” is an engineering term that refers to the amount of energy a material can absorb and still return to its original state. The modulus of resilience μ for a given compound represents the area under the elastic portion of…
Penguins are some of the most unusual birds on earth. These semi-aquatic, flightless hunters can thrive in nearly any climate, from the tropics to the tundra. The penguin life cycle is fascinatingly intricate, especially that of emperor penguins. These birds…
A block and tackle pulley is a machine that greatly reduces the amount of force necessary to move or lift an object such as a heavy crate. A standard pulley is composed of a single wheel on an axle with…
The scientific method forms the foundation of the collective knowledge of the world around us. It is how researchers figure out what is likely true in nature. A scientific method experiment begins with a hypothesis, which is an informed opinion…
A barometer is an instrument used to measure air pressure and track weather systems. The most common unit of measurement used in barometers is the millibar (mb). Fact A millibar is a form of metric measurement, with one millibar equaling…
