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Tresset [83]
3 years ago
15

What are the coordinates of the center of a circle whose equation is (x + 7)2 + (y – 5)2 = 16?

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
6 0

Answer:

  (-7, 5)

Step-by-step explanation:

Comparing the equation to the standard form equation of a circle of radius r centered at (h, k):

  (x -h)² +(y -k)² = r²

you see that h=-7 and k=5.

The center of the circle has coordinates (-7, 5).

_____

Like a lot of math, it's about pattern matching.

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3 years ago
The probability of flipping a coin and noting Heads is 50%. If you flip the coin 100 times, what is the standard deviation of He
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Answer: 5.000

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3 years ago
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3 years ago
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Natasha2012 [34]

Answer:

3.5

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5 0
2 years ago
What is the equation of a line going through points (-15,70) and (5,10)
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Simple....

you have:

(-15,70) and (5,10)

Using-->>

\frac{  y_{1} -y_{2} }{ x_{1}-  x_{2} }

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