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zubka84 [21]
3 years ago
14

Help it’s math The circle below is centered at (4, -1) and has a radius of 3. What is its equation?

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
8 0
Hello!

A circle centered at the point (h,k) with a radius (r) has the following formula:

(x – h)² + (y – k)² = r²

Substitute any known values into the equation above:

(x – 4)² + (y – (-1))² = 3²

Simplify both sides:

(x – 4)² + (y + 1)² = 9

This is the equation of the given circle. The answer is B.

I hope this helps!
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Select the solution for the system of linear equations y=3x+4 and y=x+2
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Answer:

(- 1, 1 )

Step-by-step explanation:

Given the 2 equations

y = 3x + 4 → (1)

y = x + 2 → (2)

Substitute y = 3x + 4 into (2)

3x + 4 = x + 2 ( subtract x from both sides )

2x + 4 = 2 ( subtract 4 from both sides )

2x = - 2 ( divide both sides by 2 )

x = - 1

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Substituting x = - 1 into (2)

y = - 1 + 2 = 1

Solution is (- 1, 1 )

3 0
3 years ago
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What is the value of 2x3 + 4x2 - 3x2 - 6x when x = 3?
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
Of the trains that recently arrived at Silvergrove Station, 22 were on time and 4 were late. What is the experimental probabilit
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3 years ago
Find the distance, c, between (0,0) and (-4,-3) on the coordinate plane. Round to the nearest tenth if necessary.
taurus [48]

Answer:

5

Step-by-step explanation:

To solve the equation you'll use the distance formula:

\sqrt{\left(x_{2}-x_{1}\right)^{2}+\left(y_{2}-y_{1}\right)^{2}}

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