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Genrish500 [490]
4 years ago
7

What is the value of x if e3x+6=8?

Mathematics
2 answers:
aev [14]4 years ago
6 0

Answer:

x= 2/e cubed

Step-by-step explanation:

svetoff [14.1K]4 years ago
3 0

Answer:

x= -1.3

Step-by-step explanation:

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Identify the radius and center.<br><br> x^2 + y^2 - 2x + 4y - 11 = 0
miss Akunina [59]
<h2>Hello!</h2>

The answer is:

Center: (1,-2)

Radius: 4 units.

<h2>Why?</h2>

To solve the problem, using the given formula of a circle, we need to find its standard equation form which is equal to:

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

Where,

"h" and "k"are the coordinates of the center of the circle and "r" is its radius.

So, we need to complete the square for both variable "x" and "y".

The given equation is:

x^2+y^2-2x+4y-11=0

So, solving we have:

x^2+y^2-2x+4y=11

(x^2-2x+(\frac{2}{2})^{2} )+(y^2+4y+(\frac{4}{2})^{2})=11+(\frac{2}{2})^{2} +(\frac{4}{2})^{2}\\\\(x^2-2x+1)+(y^2+4y+4)=11+1+4\\\\(x^2-1)+(y^2+2)=16

(x^2-1)+(y^2-(-2))=16

Now, we have that:

h=1\\k=-2\\r=\sqrt{16}=4

So,

Center: (1,-2)

Radius: 4 units.

Have a nice day!

Note: I have attached a picture for better understanding.

5 0
4 years ago
A polygon with three sides is called a
Studentka2010 [4]

Answer:

It is called a triangle

Step-by-step explanation:

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Answer:

7/50 (also 18% if u need it)

Step-by-step explanation:

18/100 ----- 7/50

Hope this helps!

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To get simplest form you make it the smallest fraction you can make it by dividing both sides by the same number until it's not possible anymore Hope that helped!
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Answer:

= 0.315

Step-by-step explanation:

hope this helps :)

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