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Hombres trabajando en línea del tren (Educarchile)

Muchos hombres trabajan manteniendo en buen estado las líneas férreas en nuestro país, en la siguiente fotografía una de sus cotidianas jornadas.Hombres trabajando en línea del tren es un contenido di ...

Pauta de trabajo del liceo (Educarchile)

Artículo que entrega la pauta de trabajo de la Jornada de trabajo y reflexión sobre los Derechos Humanos, realizada en nuestro país en septiembre del 2003.Pauta de trabajo del liceo es un contenido pu ...

Magnitudes y Unidades de Física, Química y Matemáticas

Una herramienta que proporciona la definición de unas cuarenta unidades de Física, Química y Matemáticas (la mayoría de las primeras) y ejemplos significativos que a ...

Work Word Problems

"It is possible to solve word problems when two people are doing a work job together by solving systems of equations. To solve a work word problem, multiply the hourly rate of the two people working t ...

Sum of Digits

"One difficult type of Algebra problem are word problems asking about the sum of digits in a two digit number. Solving systems of equations by substitution is one of the most common ways to solve sum ...

Entropy

"Entropy measures the amount of disorder in a system. Nature tends towards disorder, so as time elapses, entropy naturally increases. Energy is required in order to decrease entropy." Fuente: BrightSt ...

Selling Multiple Items

"To solve word problems where someone is selling multiple items, a background knowledge of setting up a system of equations is necessary. Problems where someone is selling multiple items are common on ...

Money Word Problems

"Setting up a system of equations is usually effective when solving money word problems and word problems involving coins. A knowledge of how to solve systems of equations is necessary to solve these ...

Mixture Problems

"Some word problems using systems of equations involve mixing two quantities with different prices. To solve mixture problems, knowledge of solving systems of equations. is necessary. Most often, the ...

Age Word Problems

"Setting up a system of equations is usually effective when solving age word problems involving the ages of two people. Knowing how to solve systems of equations is necessary to solve these types of p ...

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