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Pavel [41]
3 years ago
7

Given line bd is a perpendicular bisector of ac prove triangle abc is isoscles.

Mathematics
1 answer:
Amanda [17]3 years ago
6 0

Answer:

Step-by-step explanation:

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The correct answer would be 128.
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What is the slope and y-intercept of the equation 3 (y-2)+6 (x+1)-2=0
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<span>Answer: Slope = -4.000/2.000 = -2.000   x-intercept = 2/6 = 1/3 = 0.33333 <span>   y-intercept = 2/3 = 0.66667


What I'm trying to show in the graph is:
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y tells us how far up the line goes.........
x tells us how far along...........
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8 0
4 years ago
What is an equation of the circle with center (-5,4) and a radius of 7?
OleMash [197]

Answer:

Option D

Step-by-step explanation:

Given:

  • Center point: (-5, 4)
  • Radius: 7

<u>Formula:</u>

Equation of circle: (x - h)² + (y - k)² = r²

[Where (h, k) is the center point and "r" is the radius of the circle]

<u>Substitute the coordinates of the center point in the formula:</u>

Given center point: (-5, 4)

∴ x-coordinate of center point (h) = -5; y-coordinate of center point (k) = 4

  • ⇒ (x - h)² + (y - k)² = r²
  • ⇒ [x - (-5)]² + [y - 4]² = r²

<u>Substitute the radius in the formula:</u>

Given radius: 7

  • ⇒ [x - (-5)]² + [y - 4]² = r²
  • ⇒ [x - (-5)]² + [y - 4]² = (7)²

<u>Simplify both sides of the equation:</u>

  • ⇒ [x + 5]² + [y - 4]² = (7)(7)
  • ⇒ [x + 5]² + [y - 4]² = 49  <u>(Option D)</u>

Therefore, Option 4 is correct.

7 0
2 years ago
c(1)=−20 c(n)=c(n−1)+10 ​ Find the 2 nd 2 nd 2, start superscript, start text, n, d, end text, end superscript term in the seque
Natalka [10]

Answer:

a(1)=−13

a(n)=a(n−1)+4

Find the

2nd2^{\text{nd}}

2

nd

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term in the sequence⎩

⎪

⎪

⎨

⎪

⎪

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a(1)=−13

a(n)=a(n−1)+4

Find the

2nd2^{\text{nd}}

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8 0
3 years ago
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NeX [460]

y=-7x+8

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