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Inessa [10]
3 years ago
5

What’s the correct answer for this?

Mathematics
1 answer:
harkovskaia [24]3 years ago
4 0

Answer:

(x + 5)² + (y - 7)² = 13

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) = (- 5, 7) and r = \sqrt{13} , thus

(x - (- 5))² + (y - 7)² = (\sqrt{13} )² , that is

(x + 5)² + (y - 7)² = 13 ← equation of circle

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k0ka [10]

Answer:

4

Step-by-step explanation:

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slope=4

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6 0
3 years ago
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Given the diagram below with line DE║ line AC. Find BC.
Karolina [17]

Answer:

13.5

Step-by-step explanation:

In triangle ABC, DE || AC

Therefore by basic proportionality theorem:

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8 0
3 years ago
What is the sum of areas of the faces on a rectangular prism called
stepladder [879]

Answer:

The surface area of the rectangular prism.

Step-by-step explanation:

The formula for the surface area of a rectangular prism is SA = 2 (wl + hl + hw), which actually represents the areas of each of the faces.

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We see that the SA is the sum of the areas of the faces on a rectangular prism. Look at a picture of a rectangular prism if you have trouble understanding this.

4 0
3 years ago
Slope-intercept form of Slope = -9/5, y-intercept = -4
Brilliant_brown [7]

Answer:

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Step-by-step explanation:

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Here m = - \frac{9}{5} and c = - 4 , thus

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Answer:

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Step-by-step explanation:

7 0
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