3 years ago

Need help solving this problem.

Mathematics

1 answer:

romanna [79]3 years ago

6 0

Answer:

The measure of angle CDE is 37 degrees

Step-by-step explanation:

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"Complete the square" to convert the equation of each circle to graphing form. Identify the center and the radius.

Reil [10]

Answer:

The center is (-3,2) and the radius is r=2

Step-by-step explanation:

The general equation of the given circle is

$x^2+6x+y^2-4y=-9$

Add the square of half the coefficient of the linear terms to both sides of the equation to obtain;

$x^2+6x+3^2+y^2-4y+(-2)^2=-9+3^2+(-2)^2$

$x^2+6x+9+y^2-4y+4=-9+9+4$

$x^2+6x+9+y^2-4y+4=4$

The quadratic trinomials in x and y on the left side of the equations are perfect squares.

We factor to obtain;

$(x+3)^2+(y-2)^2=4$

$(x--3)^2+(y-2)^2=2^2$

Comparing to:

$(x-h)^2+(y-k)^2=r^2$

The center is (-3,2) and the radius is r=2

8 0

3 years ago

Help soon eeeeeeeeeeeeeeeeeee

igomit [66]

3/9 because it is the same as 1/3 or 2/6.

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3 years ago

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Find the equation of the line passing through the points (2, -1) and (-6, -5)

timurjin [86]

Answer: The equation that goes through the points (2, -1) and (-6, -5) is 1/2x - 2

I know this because when I graphed this equation, it passed through those points. (My graph is shown below)

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2 years ago

Please help it’s geometry! I’ll make brainliest

expeople1 [14]

GX is the angle bisector. Answer is C

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2 years ago

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What is the simplified form of the expression 3 + 8x − 2y − x + 1 + 4y? Enter your answers in the boxes.

mr_godi [17]

3+8x-2y-x+1+4y

Combine all like terms and

7x+4+2y is your answer

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3 years ago