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Whitepunk [10]
3 years ago
6

74E10. La siguiente gráfica relaciona el precio a pagar en pesos por el número de horas en un estacionamiento público.

Mathematics
1 answer:
fgiga [73]3 years ago
6 0

Usando una función lineal, se encuentra que el pago es:

C) 46

Una <em>funcion lineal </em>tiene el seguiente formato:

y = ax + b

En que:

  • a eres lá inclinacion, o sea, la taja de cambio.
  • b eres el intercepto, o sea, el valor de y cuando x = 0.

En la gráfica, hay los puntos (0,20) y (5, 60), por eso:

  • El intercepto es b = 20

La taja es dada por el <u>cambio en y dividido por el cambio en x</u>, o sea:

a = \frac{60 - 20}{5 - 0} = 8

Por eso:

y = 8x + 20

Con 3 horas y 15 minutos, el tiempo es de 3.25 horas, puesto que \frac{15}{60} = 0.25, por eso:

y = 8(3.25) + 20 = 46

Un problema similar es dado en brainly.com/question/24543328

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Answer:

The correct answer is 10 days.

Step-by-step explanation:

To fill a trench, 5 men work for 6 hours a day for eight days.

Total work hours required is given by 5 × 6 × 8 = 240 hours.

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Let these three men need to work for x days.

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Answer:

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