3 years ago

if a dog is tied to a pole and the rope is 12 feet long, what is the area that the dog can walk around?

Mathematics

1 answer:

Dafna1 [17]3 years ago

4 0

Answer:

12 feet

Step-by-step explanation:

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Jackson used the process of completing the square to solve the equation 2x2−12x=−6.

Nikolay [14]

Answer:

$x=3-\sqrt{6},x=3+\sqrt{6}$

Step-by-step explanation:

we are given equation as

$2x^2-12x=-6$

Since, we have to solve it by using complete square

so, firstly we will complete square

and then we can solve for x

step-1:

Factor 2 from both sides

$2(x^2-6x)=-3\times 2$

step-2:

Simplify it

$x^2-6x=-3$

step-3:

Add both sides 3^2

$x^2-6x+3^2=-3+3^2$

now, we can complete square

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step-4:

Take sqrt both sides

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step-5:

Add both sides by 3

we get

$x=3-\sqrt{6},x=3+\sqrt{6}$

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