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Natali [406]
3 years ago
11

A circle passes through point (−2, −1) and its center is at (2, −1). Which equation represents the circle?

Mathematics
1 answer:
Vladimir [108]3 years ago
8 0

Answer:

A) (x − 2)2 + (y + 1)2 = 16

please give me brainliest

Step-by-step explanation:

center: (2, −1)

(x − 2)2 + (y + 1)2

radius: 4

4^2 = 16

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Nikitich [7]

Answer:

5.5 cm

Step-by-step explanation:

3 0
3 years ago
What is the width of a rectangle with length 5.5 cm and area 220 cm^2
Reika [66]
In the given question it is given that the length of the rectangle is 5.5 cm and the area of the rectangle is 220 cm^2.
Length of the rectangle = 5.5 cm
Area of the rectangle = 220 cm^2
Then we already know that
Area of a rectangle = Length * width
So Width of the rectangle = Area of the rectangle/ Length
                                           = 220/5.5
                                           = 2200/55
                                           = 40
So the width of the rectangle is 40 cm.<span>Hope  that you have got the answer you were looking for.

</span>


3 0
3 years ago
Help me w this multiple choice!
olga2289 [7]

Answer:

D

Step-by-step explanation:

\sin(30)  =  \frac{n}{ \frac{10 \sqrt{3} }{3} }   \\ 0.5 =  \frac{n}{5.77} \\ n = 2.88 =  \frac{5 \sqrt{3} }{3}

\cos(30)  =  \frac{m}{ \frac{10 \sqrt{3} }{3} }  \\ 0.866 =  \frac{m}{5.77}  \\ m = 5

3 0
3 years ago
What is the expression written using each base only once?
Murrr4er [49]
1. (-4)^-6 * (-4)^7 = (-4)^(-6+7) = (-4)^1 =
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2. (3*10^6)*(8*10^-4) = (3*8)*10^(6-4) = 24*10^2 =
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5 0
3 years ago
The area of a circle is 49π m2. What is the radius?
olga55 [171]

Answer: r= 3.95

Explanation: A=πr2

5 0
3 years ago
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