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Pani-rosa [81]
3 years ago
8

2x + 8 2 + 3 7x + 21 . x +4

Mathematics
1 answer:
exis [7]3 years ago
7 0

Answer:

60x    + 86

Step-by-step explanation:

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Problemas de razonamiento división de números decimales. Ayer Susana se fue de viaje a visitar a unos familiares. Recorrió 135,7
schepotkina [342]

Usando las relaciones entre velocidad, distancia y tiempo, se encuentra que ella condujo a una velocidad media de 90,5 km/h.

--------------------------

La <u>velocidad </u><u>es la distancia dividida por el tiempo</u>, por lo que:

v = \frac{d}{t}

  • Total de 135,75 km, o sea, d = 135,75
  • Llego en 1,5 horas, o sea, t = 1,5

La velocidad es:

v = \frac{d}{t} = \frac{135,75}{1,5}

División de decimales, o sea, seguimos multiplicando los números por 10 hasta que ninguno sea decimal:

v = \frac{135,75}{1,5} = \frac{1357,5}{15} = \frac{13575}{150} = 90,5

Ella condujo a una velocidad media de 90,5 km/h.

Un problema similar es dado en brainly.com/question/24558377

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2 years ago
Laura wants to cover the floor of her rectangular bedroom with carpet. Laura's bedroom is 15 feet in
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Erica had 6 coins in her coin collection. She goes to a coin show and buys some more coins. How many does she have now?
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Why would she be paying for another form of currency is the real question?

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