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Snowcat [4.5K]
3 years ago
15

What is the center of the circle for this equation: (x + 3)² + (y - 2)² = 25

Mathematics
1 answer:
Ksju [112]3 years ago
8 0

The formula for the equation of a circle is (x - h)² + (y - k)² = r²

where (h, k) is the center of the circle and <em>r</em> is the radius.

So we need to find the values of (h, k) in order to find the center of the circle.

If we simply line up the equation of our given circle with our formula,

we can see that -h = 3 or h = -3 and -k = -2 so k = 2.

So now we have our answer.

center ⇒ (-3, 2)

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tatuchka [14]
The answer is 3.5

steps

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5 0
3 years ago
Vanessa wants to buy a new iPod that costs $239.25. She earns $7.25 per hour at work.
kherson [118]

Answer:

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5 0
3 years ago
What fraction makes this division<br> sentence true? <br> 2/3 divided by ? = 4
NeX [460]

Answer:

1/6

Step-by-step explanation:

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2/3 x 6 = 4

So if you want to divide instead of multiply, just find the inverse of the number you are multiplying by.

The inverse of 6 is 1/6. Therefore, 2/3 divided by 1/6 equals 4.

(2/3)/(1/6) = 4

6 0
3 years ago
PLEASE HELP!!! Justin is running a race. He has completed 28 km, which happens to be 70% of the total race. How long is
tensa zangetsu [6.8K]
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Explanation:
So in this question we can use a proportion
Since
28km is 70% we can write it equal to 70%
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and since 100% is unknown we can write it equal to x
100=x

Then we put it in proportion form

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28(100)/70=x

Which would equal 40
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2 years ago
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Answer:

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