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stepan [7]
2 years ago
7

Grady drove 34 miles to his grandmas house. Next he drove 48 miles to visit his uncle. The trip took 90 minutes. If he drove at

a constant rate, what was his average speed in miles per hour

Mathematics
1 answer:
Alona [7]2 years ago
5 0

Answer:

55 mph

Step-by-step explanation:

speed = 54.6667 miles per hour

approximately 55 miles per hour

hope this helps! :D

have a miraculous day!! <3

*plus, your stick student's dinner is pizza!! :D*

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Answer:

Lo primero que debemos saber, es que la gráfica de pastel nos permite dividir a una población, la cual sería el 100%, en porcentajes menores que representan algo.

En este caso tenemos los porcentajes 20%, 50%, 10%  (notar que no suman 100%, entonces nos falta algún porcentaje)

Bueno, como sabemos el gráfico (el cual es un círculo) representa el 100%.

Y en un círculo, tenemos un ángulo de 360°

Entonces comenzamos con la equivalencia:

360° = 100%

Entonces, ¿a que grado corresponde el 50%? Planteamos la ecuación:

x = 50%

Si tomamos el cociente entre las ecuaciones:

x = 50% y  360° = 100%

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Para los otros porcentajes hacemos lo mismo.

Para el de 20% tenemos:

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