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Vinil7 [7]
3 years ago
6

What does X equal?? Please help me out!!

Mathematics
1 answer:
Alja [10]3 years ago
3 0
X = 80 + 20 = 100 degrees
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Which point does not lie on the circle centered at (3, 2) with radius 5? A) (0, 6) B) (3, -3) C) (-2, 2) D) (3, 0)
vladimir1956 [14]

Answer:

D

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

here (h, k) = (3, 2) and r = 5, hence

(x - 3)² + (y - 2)² = 25 ← equation of circle

If an ordered pair lies on the circle then it satisfies the equation, if not then it does not lie on the circle.

Substitute the coordinates of the points into the left side of the equation of the circle and check validity.

A

(0 , 6) : (0 - 3)² + (6 - 2)² = 9 + 16 = 25 ← lies on circle

B

(3, - 3) : (3 - 3)² + (- 3 - 2)² = 0 + 25 = 25 ← lies on circle

C

(- 2, 2) : (- 2 - 3)² + (2 - 2)² = 25 + 0 = 25 ← lies on circle

D

(3, 0) : (3 - 3)² + (0 - 2)² = 0 + 4 = 4 ≠ 25 ← not on circle

7 0
3 years ago
(Please help)
Sever21 [200]

Answer: 1044cm

Step by Step Explanation :

  1. separate the shape into a rectangle and a square. Subtract 46 from 21
  2. the rectangular shape is 30cm by 25cm LxW its 750cm
  3. the smaller shape on the side is 21 cm by 14cm LxW its 294.
  4. Add. 294cm + 750cm = 1044cm

5 0
2 years ago
2y + 5 = <br><br>solve for the correct answer ​
Umnica [9.8K]

let the value of y be 2

Now,

2y+5

2x2+5

4+5

9

Hence,proved

8 0
2 years ago
How to solve: (looking for b)<br>y =mx+b
mamaluj [8]
Subtracting mx from both sides, we get y-mx=b
4 0
3 years ago
PLEASE HELP ME IN MATH
maks197457 [2]

Answer:

BC= 23.0km (nearest tenth)

Step-by-step explanation:

Please see the attached picture for full solution.

6 0
3 years ago
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