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3 years ago

Select the correct answer.

Mathematics

2 answers:

dem82 [27]3 years ago

3 0

Answer:

Step-by-step explanation:

The ratio 11:16 cannot be simplified

noname [10]3 years ago

3 0

Answer:

Its already in simplest form

Step-by-step explanation:

You can think of it as a fraction. you cant divide 11 by anything besides 1 and itself. 11 doesnt go into 16 at all, completely. So the ratio cant be simplified

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I need to know the answer is and the steps (extra points)

DENIUS [597]

Answer:

r = -11

Step-by-step explanation:

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A certain circle can be represented by the following equation. x^2+y^2+18x+14y+105=0 What is the center of the circle? What is t

Gre4nikov [31]

Answer:

See below.

Step-by-step explanation:

Recall the equation for a circle:

$(x-h)^2+(y-k)^2=r^2$ , where (h,k) is the center and r is the radius.

We need to turn the given equation into the above format. We do this by completing the square.

First, group them:

$(x^2+18x)+(y^2+14y)=-105$

For the first section, complete the square for $x^2+18x$ :

$x^2+18x+81-81$

$(x+9)^2-81$

Do the same for the second:

$y^2+14y$

$y^2+14y+49-49$

$(y+7)^2-49$

All together:

$((x+9)^2-81)+((y+7)^2-49)=-105$

$(x+9)^2+(y+7)^2-130=-105$

$(x+9)^2+(y+7)^2=25$

The center is (-9,-7).

The radius is $\sqrt{25}=5$

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2 years ago

What is the coordinates for the given equation: y-2=-1/2 (x+6)

Readme [11.4K]

Slope =1.000/2.000=0.5 X-intercept=10/-1=-10.0 Y-intercept=10/2=5

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Step-by-step explanation:

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