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4 years ago

Help please............

Mathematics

2 answers:

Westkost [7]4 years ago

6 0

With what exactly?????

Dovator [93]4 years ago

6 0

13/8 is 1 5/8

20/8 is 2 4/8

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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 $\sqrt{25}=5$

5 0

3 years ago

Solve the inequality (picture)

drek231 [11]

Answer:

3rd choice

Step-by-step explanation:

Add 6 to both sides to get 5x >= 15, or x >=3. This is the 3rd choice.

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3 years ago

which equation is in slope intercept form and represents a line with slope 3 through the point (9,-4)?

faust18 [17]

Answer:

y = 3x - 23

Step-by-step explanation:

y + 4 = 3(x - 9)

y + 4 = 3x - 27

y = 3x - 23

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3 years ago

Hassem and his family cut an apple pie into 5 equal slices and a blueberry pie into 10 equal slices. They ate 3/5 of the apple p

shtirl [24]

So set up an equation to answer

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3 years ago

Read 2 more answers

Jean-Jacques Rousseau<br><br>30 POINTS+BRAINLIEST

wel

Answer:In The Social Contract (1762) Rousseau argues that laws are binding only when they are supported by the general will of the people. His famous idea, 'man is born free, but he is everywhere in chains' challenged the traditional order of society.

Step-by-step explanation:

In The Social Contract (1762) Rousseau argues that laws are binding only when they are supported by the general will of the people. His famous idea, 'man is born free, but he is everywhere in chains' challenged the traditional order of society.

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3 years ago