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kari74 [83]
3 years ago
14

How do you write the equation of a circle if you know it's radius and the coordinates of its center

Mathematics
1 answer:
ANTONII [103]3 years ago
5 0

So you must talking about the circumference I guess.

3.14( pi) * diameter.

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I need help with this
yanalaym [24]

The answer is the "y" value of (2, 3),


So the answer is (C), y = 3

6 0
3 years ago
The perimeter of a rectangle is 70 cm. The ratio of length to width is 2:5. Find the length and width of the rectangle.
olya-2409 [2.1K]

Answer:

length = 10 cm; width = 25 cm

Step-by-step explanation:

Let's call the length 2x and the width 5x. Since perimeter can be calculated by multiplying the sum of the length and width by 2 we can write:

2 * (2x + 5x) = 70

2 * (7x) = 70

7x = 35

x = 5 which means the length is 2 * 5 = 10 and the width is 5 * 5 = 25.

5 0
3 years ago
A square lawn has area 128128 ft squared .ft2. a sprinkler placed at the center of the lawn sprays water in a circular pattern t
fenix001 [56]
For this case what you must do is find the diagonal of the square to find the diameter of the circle and then be able to obtain the radius.
 We have then:
 A = L ^ 2 = 128
 L = root (128)
 L = 11.3137085
 Then, the diagonal of the square knowing its sides is:
 d = root ((L) ^ 2 + (L) ^ 2)
 d = root ((11.3137085) ^ 2 + (11.3137085) ^ 2)
 d = 16 feet
 Finally the radius of the circle is:
 r = d / 2
 r = (16) / 2
 r = 8feet
 answer:
 the radius of the circle is
 r = 8feet
6 0
4 years ago
Which graph comparing time and dollars would be best represented by an exponential function?
Rasek [7]

Answer:

x and y

Step-by-step explanation:

because it make sense

6 0
3 years ago
Read 2 more answers
a graphic designer wants to know the number of regions that are formed when circles overlap in particular. can she find a rule t
kumpel [21]

Answer:

A. 2

Step-by-step explanation:

Its successive multiples and it increases:

+2, +4, +6, +8

it increases by 2 every time which is successive multiples so the answer is A, 2.

3 0
3 years ago
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