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kirza4 [7]
3 years ago
14

What is the general form of the equation of the given circle with center A

Mathematics
1 answer:
IceJOKER [234]3 years ago
6 0
Your answer would be option C. x² + y² + 6x - 24y + 128 = 0.
This is because the formula for the equation of a circle is (x - [x coordinate])² + (y - [y coordinate])² = radius², so you have to substitute in the coordinates and the radius, and then expand and simplify. I have done this in paper as it is easier to write than type, but let me know if you would like me to explain any part of it.
I hope this helps!

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PLEASE ANSWER PICTURE SHOWN
bonufazy [111]
The sum of the angles of a triangle is equal to 180°.

x+65+79 = 180

x = 180 - 65 - 79

x = 36°



5 0
3 years ago
Evaluate the piecewise at x=-4 and x=4
Umnica [9.8K]
If x = -4
f(x) = (-4)^2 = 16

if x = 4
f(x) = √4 = 2

hope it helps
3 0
3 years ago
Which function is represented by the graph? PLEASE HELP IM BEING TIMED
olganol [36]

Answer:

I think the second one

Step-by-step explanation:

I haven't learned how to do this.

4 0
3 years ago
Read 2 more answers
A kite flying in the air has an 7-ft line attached to it. Its line is pulled taut and casts a 5-ft shadow find the heights of th
Stels [109]

The height of the kite is 4.89 feet

Explanation

The length of the line attached to the kite=7 feet

The length of the shadow that is cast on the ground=5 feet

the system forms a right angled triangle where the taught string of the kite is the hypotenuse, the shadow is the base and the height of the kite above the ground is the height.

H=7 feet

b=5 feet

using pythagoras theorem

h^2+b^2=H^2\\h^2=H^2-b^2\\h^2=7^2-5^2\\=49-25\\=24\\h=\sqrt{24\\} =2\sqrt{6} \\=4.89 feet

The kite is 4.89 feet above the ground

3 0
3 years ago
You are given the dollar value of a product in 2015 and the rate at which the value of the product is expected to change during
Charra [1.4K]

Answer:

V = $3.50t + $90.5....

Step-by-step explanation:

V(t) is a function of t that expresses the value in year 2000+t.  

We know that the increase is $3.50 times t.

So,

V(t) = $3.50t + c  

where c is the constant.

V(15) =  $3.50 (15) + c = $143     [t=15 as mentioned in the question]

and therefore  

c = $143 - $3.50 (15)

c= $143 - $52.50

c= $90.5  

Now we got the value of c. We can write the equation as  

V = $3.50t + $90.5....

4 0
3 years ago
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