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melamori03 [73]
3 years ago
8

What’s the equation of the circle with the center of five, -4 that passes through -3, two

Mathematics
1 answer:
ratelena [41]3 years ago
4 0

Answer:

(x-5)^2 + (y+4)^2 = 100

Step-by-step explanation:

First you need to know the equation of a circle which is,

(x – h)^2 + (y – k)^2 = r^2

(h,k) is the center point and r is the radius.

To find the radius use the distance formula which is

d=\sqrt(x2-x1)^2 + (y2-y1)^2 when you substitute you will get

\sqrt(5+3)^2 + (-4-2)^2 which simplifies to 10. That is the radius.

Then you will substitute that and the center point back into the equation to get the answer.

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Three friends: Lana, Omar, and George shared 22 JDs in the ratio
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Answer:

x=5

Step-by-step explanation:

2:x:4

Lana Omar and George

Omar's share is 10 JD

22-10 is 12

2x+4x=12

6x=12

x=2

So put the ratio to

4:2x:8

x=5

x is 5.

Hope this helps Merry Christmas!

7 0
2 years ago
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Answer:

B

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She only has two cakes because that's all she bought.

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2 years ago
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Irina18 [472]

Answer: D


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