4) Durante un día de enero la temperatura bajó de 5º a -5º. ¿Cuál fue el cambio en temperatura?

Mathematics

1 answer:

mezya [45]2 years ago

4 0

Temperature goes down up to 10° Celsius during the night.

Given that;

Temperature drop from 5º Celsius to -5º Celsius

Find:

Change in temperature in Celsius

Computation:

Change in temperature = Initial temperature in Celsius + Final temperature in Celsius

Change in temperature = 5 - (-5)

Change in temperature = 5 + 5

Change in temperature = 10° Celsius

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Answer:

$A = \dfrac{C^2}{4\pi}$

Step-by-step explanation:

Given that

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Let us re-write the equation of area of circle:

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Multiplying and dividing with 2:

$A = \dfrac{2\pi r}{2} \times r\\\text{Putting }2\pi r = C:\\\Rightarrow A = \dfrac{C}{2} \times r\\\text{Multiplying and dividing by } 2\pi:\\\Rightarrow A = \dfrac{C}{2} \times \dfrac{2\pi r}{2\pi}\\\text{Putting }2\pi r = C:\\\Rightarrow A = \dfrac{C \times C}{4 \pi}\\\Rightarrow A = \dfrac{C^2}{4 \pi}$