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My name is Ann [436]
2 years ago
10

Un automóvil se desplaza 30 1/5 millas en 2/3 de hora. ¿Cuál es la velocidad promedio en millas por hora, del automóvil?

Mathematics
2 answers:
yarga [219]2 years ago
3 0

Queremos encontrar la velocidad promedio de un automóvil dado que conocemos cuanto se desplaza y cuanto tarda en realizar ese desplazamiento. Veremos que la velocidad promedio es 45.3 millas por hora.

Recordar que definimos velocidad promedio como el cociente entre la distancia recorrida y el tiempo que se tarda en recorrer esa distancia.

Aca tenemos:

Desplazamiento = (30 + 1/5) cm

Tiempo = (2/3 horas)

Entonces la velocidad esta dada por:

V = \frac{(30 + 1/5)mi}{2/3 h} = \frac{(151/5)mi}{2/3 h} = 45.3 mi/h

Asi podemos concluir que la velocidad promedio es 45.3 millas por hora.

Sí quieres aprender más sobre velocidad, puedes leer:

brainly.com/question/25316464

Salsk061 [2.6K]2 years ago
3 0

The speed of the automobile is 45.3 miles per hour

The formula for calculating the speed of the automobile is expressed as:

  • Speed = Distance/Time

Given the following parameters:

  • Distances = 30.2 miles
  • Time = 2/3 hour

Substitute into the formula:

Speed = 30.2 * 3/2

Speed = 15.1 * 3

Speed = 45.3 miles/hr

Hence the speed of the automobile is 45.3 miles per hour

Learn more on speed here:brainly.com/question/4931057

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3 years ago
Round your answer to two decimal places.
vaieri [72.5K]

Answer:

<u>The correct answer is Hypotenuse =  3.61 units (Rounding to two decimal places)</u>

Step-by-step explanation:

We can use the Pythagoras theorem formula for solving this questions. It can be expressed symbolically as follows:  

Hypotenuse² = First leg² + Second leg²

 "The amount of units comprising the hypotenuse squared is equal to the addition of the measure of both legs squared."

Hypotenuse² = First leg² + Second leg²

Hypotenuse =  √(First leg² + Second leg² )

Replacing with the real values:

Hypotenuse =  √(3² + 2² )

Hypotenuse =  √(9 + 4 )

Hypotenuse =  √13

Hypotenuse =  3.60555

<u>Hypotenuse =  3.61 units (Rounding to two decimal places)</u>

7 0
3 years ago
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Studentka2010 [4]

Answer:

B

Step-by-step explanation:

The easiest way to solve this question is by graphing this on a calculator or by using Desmos.

8 0
2 years ago
Mackenzie ran the olympic marathon of 26 1/5 miles in a time of 5 4/5 hours. How far did she run in a 1 hour?​
padilas [110]

Answer:

Step-by-step explanation:

v=d/t (average velocity equals distance divided by time)

26.2mi/5.8h=4.5mi/h

So Mackenzie runs approximately 4.5 miles in an hour (rounded to nearest tenth of a mile)

8 0
2 years ago
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