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zmey [24]
3 years ago
11

The circle below is centered at the point (3,1) and has a radius of length 2. What is its equation?

Mathematics
2 answers:
Orlov [11]3 years ago
6 0

Answer:

The correct option is B.

Step-by-step explanation:

The standard form of the circle is

(x-h)^2+(y-k)^2=r^2

Where, (h,k) is the center of the circle and r is the radius of the circle.

It is given that the center of the circle is (3,1) and the radius of the circle is 2.

The equation of the circle is

(x-3)^2+(y-1)^2=2^2

This equation is represents by option B, therefore option B is correct.

Paul [167]3 years ago
3 0
It is letter B.
Equation of a circle is in the form:
(x-h)^2 + (y-k)^2 = r^2
where (h,k) is the center of the circle with radius r.
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Find the measured of the numbered angles in the rectangle. Geometry Chapter 7.4
stira [4]

Answer:

∠3 = 18°

∠4 = 144°

∠2 = 36°

∠1 = 72°

Step-by-step explanation:

From the concept of alternate interior angles,

∠3 = 18°

Since the diagonal divides the rectangle into 4 parts with 2 of the rectangles being similar.

Then, the triangle with ∠3 & ∠4 is an Isosceles triangle and as such;

∠4 = 180 - 2(∠3)

∠4 = 180 - 2(18)

∠4 = 180 - 36

∠4 = 144°

∠2 = 180 - ∠4 (because sum of angles on a straight line is 180°)

∠2 = 180 - 144

∠2 = 36°

Like it was done for angle ∠4 above;

∠1 = (180 - 36)/2

∠1 = 144/2

∠1 = 72°

8 0
3 years ago
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serg [7]
……….. I’m sorry need points
5 0
2 years ago
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I'm sorry I don't know how to do this problem, and its the only one I don't understand could anyone help me.
kolbaska11 [484]
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Multiply everything by 2:
(-2,3) = (-4,6) (3,4)= (6,8) (4,-1)= (8,-2)

I hope this helps you!

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3 years ago
last year the 6th grade had 350 students this year the number decreased 36% how many students are in this year's 6th grade
Alex_Xolod [135]
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3 years ago
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A hardware store’s revenue R in dollars from selling x lawnmowers is given by the equation R=90x-x^2
nalin [4]

Answer:

2000

Step-by-step explanation:

38.

R = 90x - x²

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R = 4500 - 2500

R = 2000

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