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Middle School Math
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 1 The pressure at which a liquid boils is by definition the pressure that equals the atmospheric pressure pushing back on the surface of the liquid. Water boils at100C al nivel del mar donde la presión es1standard atmosphere. If at a higher altitude the water boils at99.2C, the pressure must then be a bit less than1atmosphere. In this example, by what percent did the boiling temperature change? Round your answer to the nearest hundredth of a percent.
 2 Daniel's soapbox racer completed a half-mile course in3minutos y11seconds. Brandon's car completed the same course in3minutos y55seconds. The average speed of Brandon's car was what percent of Daniel's? Round your answer to the nearest hundredth of a percent.
 3 Mr. Bloop drives17kilómetros a una velocidad promedia de56km/hr. Mrs. Bloop drives the same distance at an average speed that is1% faster than Mr. Bloop's. How long does it take her to travel the 17 km distance? Round your answer to the nearest hundredth of a minute.
 4 * Esta es una hoja prehecha.Utilice el enlace arriba de la página para un imprimible.
 5 Work against the acceleration of gravity is a function of the force applied times the distance moved (W = Fd). A force of66N is applied to lift an object1.4meters into the air. How much more work is done (in terms of percent) if the object is lifted to a point5.2meters in the air? Round your answer to the nearest hundredth of a percent if needed.
 6 Supongamos que una cierta fuerza ejerce una presión de22Pascales sobre un área cuadrada. Si la fuerza se aumentó lentamente hasta que la presión es153% de la presión, ¿que es la nueva presión?

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suscriptores de edHelper - Cree un imprimible nuevo
Clave también incluye las preguntas
La hoja de respuestas sólo da las respuestas
Sin clave de respuestas

Porcentajes
Matemáticas
Middle School Math
Porcentajes

This worksheet still contains English.
edHelper is working on the translation