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Vlad1618 [11]
3 years ago
6

What is the radius of the circle? Example how you know..

Mathematics
2 answers:
Lostsunrise [7]3 years ago
7 0

Answer:

The radius of the circle is 7 units.

Step-by-step explanation:

Radius is the measure from the center point of a circle to a point on the outside edge. Since you have coordinates, you can find the radius using distance formula.

<em>You could also just count how many units are between the center and the edge to get 7 units because 8 - 1 = 7</em>

xxTIMURxx [149]3 years ago
3 0

Answer:

r=7

Step-by-step explanation:

C is at x=1 at circle side is at 8

8-1= 7

so, r=7

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PLZ ANSWER THANK YOU
NikAS [45]

Answer:

1, x/3, x^2/9, x^3/27,  x^4/81


x^4 +3x^3+9x^2+27x+81

----------------------------------------

81


Step-by-step explanation:

(x/3) ^i

i=0   (x/3)^0 = 1

i=1   (x/3)^1 = x/3

i=2   (x/3)^2 = x^2/3^2 = x^2/9

i=3   (x/3)^3 = x^3/3^3 =x^3/27

i=4   (x/3)^4 = x^4/3^4 =x^4/81

The sum is

1+(x/3) + x^2/9 + x^3/27 + x^4/81

We need a common denominator of 81

1*81/81 + x/3 *27/27 + x^2/9 *9/9 + x^3/27 *3/3 + x^4/81

81+27x + 9x^2 + 3x^3 +x^4

----------------------------------------

81

Rewriting from largest power to smallest power

x^4 +3x^3+9x^2+27x+81

----------------------------------------

81


6 0
3 years ago
Susan used 0.90 gallons of paint to paint one wall in a room.
Montano1993 [528]
Hey You!

0.90 × 8 = 7.20

Susan will need 7.2 gallons of paint to paint 8 walls.
6 0
3 years ago
Determine the total surface area of the prism with the net shown.
Luden [163]
Yes 48 is right

Hope this helps you
8 0
3 years ago
How do i do this or what's the answer (there is a picture btw)
velikii [3]
AB is 6
BC is 4
CD is 6
DA is 8
A is 45degrees
B is 130dgrees
C is 130degrees
D is 45degrees (about)
5 0
3 years ago
A line passes throught the point (-4,7) and has a slope of 2/3. Write an equation in point slope form for this line.
NikAS [45]
Equation in point slope form of a line:
y-y₀=m(x-x₀)
m=slope

(x₀,y₀)=(-4,7)
m=2/3
y-7=(2/3)(x+4)

Answer: y-7=(2/3)(x+4) 

8 0
3 years ago
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