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jek_recluse [69]
3 years ago
7

Can a radical ever be rational?

Mathematics
2 answers:
Vlad [161]3 years ago
4 0
A radical can sometimes be radical, if the number under it was a square root. Some examples include radical 9, which would simplify to 3, and radical 64, which would simplify to 8. 
yawa3891 [41]3 years ago
3 0

Answer:

The right answer is yes, sometimes a radical can be rational.

Step-by-step explanation:

In theory a radical is a number with the next form: \sqrt[n]{x}, the radicals can be rationals when x is written as zn, where z is an integer.

an example of a rational number that can be a radical is \sqrt[3]{125}=5

this is because 125 is a perfect third power of 5 and can be expressed as 5^{3}, and since 5 is an integer we can say is a rational.

another example is \sqrt[3]{8}

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atroni [7]

Answer:

$ 30

$ 20

Step-by-step explanation:

Sea el costo fijo xy el costo por km sea y suponiendo que es el mismo para ambos taxis.

De la pregunta obtenemos las dos ecuaciones

x+8y=190\quad ...(i)

x+5y=130\quad ...(ii)

Aplicando (i)-(ii)

8y-5y=190-130\\\Rightarrow 3y=60\\\Rightarrow y=\dfrac{60}{3}\\\Rightarrow y=20

Sustituyendo en (ii)

x+5y=130\\\Rightarrow x+5\times 20=130\\\Rightarrow x=130-100\\\Rightarrow x=30

Entonces, el costo fijo es de $ 30 y el costo por km es de $ 20.

8 0
3 years ago
I need help ASAP please and thank you!!:)
GuDViN [60]

Answer: The mean of the data will decrease.

The median of the data will not change.

The range of the data will decrease.

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What is the slope of the line that passes through the points (3, 4) and (0, -2)
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Answer:

The slope is :

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Step-by-step explanation:

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Harman [31]

Answer:

Step-by-step explanation:

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