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matrenka [14]
3 years ago
5

Find the area of a circle with diameter 10 .

Mathematics
1 answer:
andriy [413]3 years ago
5 0
The answer is 78.54.

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y = (-x) - 1
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Factorise 3a-6b+ax-2bx​
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(a-2b) ×(3+x)

Step-by-step explanation:

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Reflect triangle ABC over the x-axis. Then translate the new triangle 5 units to the left. What are the coordinates of the verti
makvit [3.9K]

Hi there!

The answer to your question is B my explanation is below

The coordinates of the vertices of the final image will be:

A''(-6, 8), B''(-7, -2), and C''(0, -2)

Hence, option (B) is true.

Step-by-step explanation:

Given the triangle with the vertices

A(-1, -8)B(-2, 2)C(5, 2)We know that when we reflect a point across the x-axis, the x-coordinate remains the same, but the y-coordinate reverses its sign.

Thus,

The rule of reflection across the x-axis:

(x, y) → (x, -y)

so

A(-1, -8) → A'(-1, -(-8)) = A'(-1, 8)

B(-2, 2) → B'(-2, -2) = B'(-2, -2)

C(5, 2) → C'(5, -2) = C'(5, -2)

Then, translate the new triangle 5 units to the left

Rule of translating 5 units to the left

(x, y) → (x-5, y)

so

A'(-1, 8) → A''(-1-5, 8) = A''(-6, 8)

B'(-2, -2) → B''(-2-5, -2) = B''(-7, -2)

C'(5, -2) → C''(5-5, -2) = C''(0, -2)

Therefore, the coordinates of the vertices of the final image will be:

A''(-6, 8), B''(-7, -2), and C''(0, -2)

Hence, option (B) is true.

8 0
3 years ago
Read 2 more answers
Convert 77 centimeters into feet. Hint: 1 in = 2.54 cm; 1 ft = 12 in​
Over [174]

Answer:

77 centimeters = 2.52625 feet

Step-by-step explanation:

Hope this helps!      :3

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3 years ago
Pls i need help with this question attached
vitfil [10]
066666666666667.
I did that question before
3 0
3 years ago
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