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mario62 [17]
3 years ago
9

Find the center and radius of the circle having the equation: x2 - 10x + y2 - 2y + 15 = 0

Mathematics
1 answer:
Goshia [24]3 years ago
4 0

Answer:

Step-by-step explanation:

hello :

(x² - 10x) + (y² - 2y) + 15 = 0

(x² - 10x+25-25) + (y² - 2y+1-1) + 15 = 0

(x² - 10x+25)-25 + (y² - 2y+1)-1 + 15 = 0

(x-5)²+(y-1)² = 11

the center is (5;1) and radius √11

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6-2x=3+5x<br> Whats the solution set?
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Answer:

x = 3/7  

Step-by-step explanation:

Step 1:

6 - 2x = 3 + 5x       Equation

Step 2:

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Pavlova-9 [17]

the two coterminal angles to the given one are:

8.98 rad and -3.58 rad

<h3>How to find coterminal angles?</h3>

For a given angle A in radians, the family of coterminal angles is defined as:

B = A + n*(2*pi)

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Where n can be any integer number.

In this case, we have an angle of 2.7 radians, then the coterminal angles are:

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One positive is what we get if we select n = 1, then:

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Answer:

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