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Rzqust [24]
3 years ago
13

Which equation below describes a circle. What are the coordinates of the center of the circle

Mathematics
1 answer:
Eddi Din [679]3 years ago
8 0
The equation for a circle is
(x - h)^2 + (y - k)^2 = r^2 where r is the radius and the center is (h,k). I don’t see any options for answers though so I can’t help with the last part.
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4x - 3y = k
Stella [2.4K]
               I think its C. 5 that equals K.
4 0
3 years ago
Read 2 more answers
In the figure below, BD bisects ∠ABC. What is the length of AB?
dimaraw [331]

Answer:

D. 12

Step-by-step explanation:

Based on the Angle Bisector theorem, the opposite sides of ∆ABC are divided into proportional segments alongside the two other sides of the triangle, as BD bisects the <ABC. This implies that:

AB/AD = CB/CD

Substitute

AB/8 = 6/4

Cross multiply

AB*4 = 6*8

AB*4 = 48

AB = 48/4

AB = 12

3 0
3 years ago
Find the area of a rectangle that has a base of (4a) cm and a height (2a + b)
MArishka [77]

Answer:

area = 8a^2 +4ab

Step-by-step explanation:

Area = (4a)(2a + b)

= 8a^2 +4ab

7 0
4 years ago
Read 2 more answers
2(a+7) - 7 = 9 what is the answer
REY [17]

Answer:

The answer is 1

Step-by-step explanation:

2(a+7)−7=9

Step 1: Simplify both sides of the equation.

2(a+7)−7=9

(2)(a)+(2)(7)+−7=9(Distribute)

2a+14+−7=9

(2a)+(14+−7)=9(Combine Like Terms)

2a+7=9

2a+7=9

Step 2: Subtract 7 from both sides.

2a+7−7=9−7

2a=2

Step 3: Divide both sides by 2.

2a

2

=

2

2

a=1

7 0
3 years ago
Point O is the center of the circle. What is the value of X? <br> Answer options: 64, 54, 34, 44.
makkiz [27]

Answer:

34°

Step-by-step explanation:

The angle made when a tangent and a radius intersect=90°

Therefore angle OQP =90°

The triangle made by the two radii is isosceles ( base angles are equal) hence angle POQ=180-2(62)

=56°

The right triangle  OPQ can hence be solved as follows

angle POQ=56°

angle OQP=90°

angle x=180-(56+90)=34° as all the interior angles of any triangle add up to 180°

4 0
3 years ago
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