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yan [13]
3 years ago
7

Which equation represents a circle with a center at (-4, 9) and a diameter of 10 units?

Mathematics
1 answer:
blsea [12.9K]3 years ago
3 0

Answer:

(x+4)^2 + (y-9)^2 = 25

Step-by-step explanation:

We can use the equation (x-h)^2 + (y-k)^2 = r^2

where (h,k) is the center and r is the radius

The center is at (-4,9) and the diameter is 10 which means the radius is 10/2 or 5

(x- -4)^2 + (y-9)^2 = 5^2

(x+4)^2 + (y-9)^2 = 25

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A baseball diamond has an area of 3,600 ft. square. What is the distance between each base.
snow_lady [41]

Answer:

A diamond is the same thing as a square. So the side lengths are all the same. Multiplied length by width you get area. So square the area (3600) and you get 60 feet side length. The bases are 60 feet away from each other.

SLOVIN

A baseball diamond is just like a square, meaning the area of the baseball diamond can be calculate with: , where s = side, and A = area.

Plug in area value.

Take square root of both sides.

(since 6 x 6 = 36, then 60 x 60 = 3600)

 the distance between each base is 60 feet.

4 0
2 years ago
Read 2 more answers
The length of a rectangle is (x - 9) feet. Its width is x feet. Write an expression you could use to find the perimeter
steposvetlana [31]

Answer:

The expression for the perimeter of the rectangle is: P = 4x - 18

Step-by-step explanation:

Perimeter of a rectangle:

A rectangle has length l and width w. It's perimeter is given by:

P = 2(l + w)

In this question:

l = x - 9, w = x

So

P = 2(x - 9 + x) = 2(2x - 9) = 4x - 18

The expression for the perimeter of the rectangle is: P = 4x - 18

6 0
2 years ago
What is the surface area of a right circular cylinder with a diameter of 14 meters and a height of 9 meters
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Answer:

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4 0
2 years ago
The base of a rectangular prism is 20 cm2. If the height of the prism is 5 cm, what is its volume?
nexus9112 [7]
So to find the answer u must multiply 20 x 5= 100
7 0
3 years ago
4(2x−3)=4(2x)−4(3) what is the proptery
Nikitich [7]

9514 1404 393

Answer:

  distributive property

Step-by-step explanation:

The <em>distributive property</em> of multiplication over addition lets you expand the product in the manner shown.

4 0
3 years ago
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