3 years ago

569000000000000000000000000 Round your answer to the nearest whole number.

Mathematics

1 answer:

Leto [7]3 years ago

5 0

Answer:

it is already rounded to the nearet whole number.

Step-by-step explanation

There is no decimal point meaning that it is already a whole number.

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Step-by-step explanation:

Given

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$\Rightarrow x^2-2\cdot 6\cdot x+15=0\\\text{add and subtract 36}\\\Rightarrow x^2-2\cdot 6\cdot x+15+36-36=0\\\Rightarrow x^2-2\cdot 6\cdot x+36+(-36+15)=0\\\text{using}\ (a-b)^2=a^2+b^2-2ab\\\Rightarrow (x-6)^2-21=0\\\Rightarrow (x-6)^2=21\\\Rightarrow x-6=\pm \sqrt{21}\\\Rightarrow x=6\pm \sqrt{21}$

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