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lana66690 [7]
3 years ago
8

ITEM

Mathematics
1 answer:
Hoochie [10]3 years ago
8 0

Answer:

1,449

Step-by-step explanation:

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2. Circle C, has center (0,0) and radius 2.
adell [148]

Answer:

2. x ²  +  y ² =  4

3. x² + y² = 23

Step-by-step explanation:

The equation of a circle with center  

( a , b )  and radius  r  is:

( x − a )²   +  ( y − b ) ² =  r ²

Explanation:

Here,

 a = 0 ,  b = 0 ,  r = 2  

The equation is:

( x -0 ) ² +  ( y -0 ) ² =  ( 2  ) ²

that is:  x ²  +  y ² =  4  

Thus:

x ²  +  y ² =  4

3. Each point on a circle has the same distance from the center. This distance is the radius  r  of the circle.

 Here, ( -3 , 4 )  is a point on the circle, meaning that the radius of the circle is the distance between  ( 0 , 0 ) , the center, and  ( -3 , 4 ) .

thus  a circle centered on the origin will have an equation of:

x² + y² =r²

And,  ( -3 , 4 )  lies on the circle, we have:

(-3)² + (4)² = r²

9 + 14 = 23

substituting;

x² + y² = 23

8 0
3 years ago
A baker has 1 3/4 cup of sprinkles to spread on cupcakes. Each cupcake needs 1/8 cup of sprinkles
Nookie1986 [14]

Answer: 14

Step-by-step explanation

Yusuf avuzjd

6 0
3 years ago
What is the simplified form of the following expression? (n5)(n2)
Hatshy [7]
In exponent multiplication, When the bases are the same you ADD the power so it is n^7
5 0
3 years ago
Find the area of the shape shown below.
maw [93]

Answer:

The area is 28.

Step-by-step explanation:

Visualize the rectangle as 2 split squares.

The top square is easily 4x4, so the area of that part is 16.

Now visualize the bottom square as two rectangles.

To find the area of the dented side, you would use the equation of finding the area of a triangle, a=(w x h)\frac{1}{2} because the dented side is actually just one half of the rectangle on the other side.

Since it is the same height as the top square, but is 2 in width, it would be written as a=(2 x 4)\frac{1}{2} . So the area of that part is 4, and the area of the other rectangle would be just 2 x 4 so it is 8.

Totaling these numbers, you get the area of the full rectangle.

8 0
4 years ago
Read 2 more answers
Can someone help me?
Lapatulllka [165]

Answer:

idk

Step-by-step explanation:

we are nt on that yet

5 0
3 years ago
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