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zalisa [80]
3 years ago
11

Which is the equation of a circle with its center at (-4,2) and a radius of 4?

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
4 0

Answer:

(x +4)^2 + (y-2)^2 = 16

Step-by-step explanation:

We can write the equation for a circle with the formula

(x-h)^2 + (y-k)^2 = r^2

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

We know the center is at (-4,2) and the radius is 4

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

(x +4)^2 + (y-2)^2 = 16

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Karolina [17]

Answer:

y=(x-2)^2-1

Step-by-step explanation:

<u>Complete the square</u>

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4 0
2 years ago
What is the solution set?<br><br> (0, -2)<br> (2, 0)<br> (7, 0)<br> (5, 3)
Dvinal [7]

Answer:

(5,3)

Step-by-step explanation:

Look for the coordinates of the point of intersection where the 2 graphs cross. This gives the solution.

In this case, they cross at (5,3) and they intersect at only one location (i.e there is only 1 solution)

7 0
4 years ago
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What is 5 &amp; 3/4% as a decimal
8_murik_8 [283]
5 and 3/5 is 5.75 as a decimal

7 0
3 years ago
A bag contains cards numbered from 10 to 100. Why are the events "choosing an odd number" and "choosing an even number" mutually
Alex_Xolod [135]

The reason why the events "choosing an odd number" and "choosing an even number" are mutually exclusive is; Choice D; a number is either even or odd.

<h3>What are Mutually exclusive events in probability?</h3>

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Read more on mutually exclusive events;

brainly.com/question/12961938

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6 0
2 years ago
What is the probability of drawing a red marble?<br> 2/5<br> 45%<br> 1/3<br> 9/11
LekaFEV [45]

Answer:

45%

Step-by-step explanation:

Counting the marbles, there are 5 green, 6 blue and 9 red.

Which means the odds of drawing a red to a non red are 11:9

In fraction form that would be 9 marbles out of 20 are red. 9/20

Since the fraction cannot be simplified, we can go to decimal form.

9/20=.45

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The answer is 45%.

6 0
3 years ago
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