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elena-s [515]
2 years ago
9

The diameter of a circle is 28 yards. What is the circle's area?

Mathematics
1 answer:
LekaFEV [45]2 years ago
8 0

Answer:

615.44

Step-by-step explanation:

If diameter = 28, then radius is 14

Area = 3.14 x (14x14) =615.44

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For each diagram, describe a translation, rotation, or reflection that takes line ℓ to line ℓ′. Then plot and label A′ and B′, t
inn [45]

Answer:

  1. translate down 3
  2. reflect across the horizontal line through A

Step-by-step explanation:

1. There are many transformations that will map a line to a parallel line. Translation either horizontally or vertically will do it. Reflection across a line halfway between them will do it, as will rotation 180° about any point on that midline.

In the first attachment, we have elected to translate the line down 3 units.

__

2. Again, there are many transformations that could be used. Easiest is one that has point A as an invariant point, such as rotation CW or CCW about A, or reflection horizontally or vertically across a line through A.

Any center of rotation on a horizontal or vertical line through A can also be used for a rotation that maps one line to the other.

In the second attachment, we have elected to reflect the line across a horizontal line through A.

6 0
3 years ago
Choose the constant term that completes perfect square trinomial <br> y^2+0.1y
Levart [38]
If this is correct the answer would be
y^2 + 0.1y + 0.0025
3 0
3 years ago
Assume there are 365 days in a year.
Dahasolnce [82]
The chance of student 1's birthday being individual is 365/365 or 100%.
Then the chance of student 2's birthday being different is 364/365.
Then it's narrowed down to 363/365 for student 3 and so on until you get all 10 students.
If you multiply all these values together, the probability would come out at around 0.88305182223 or 0.88.

To get all the same birthday you'd have to the chance of one birthday, 1/365 and multiply this by itself 10 times. This will produce a very tiny number. In standard form this would be 2.3827x10'-26 or in normal terms: 0.23827109210000000000000000, so very small.
4 0
3 years ago
Find the inverse of f(x)=1/2x+3
sp2606 [1]

Answer:

f(x)=2x-6?

Step-by-step explanation:

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3 years ago
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avanturin [10]

Answer:

y = 17x + 1

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

<em>m</em> = slope

<em>b</em> = y-intercept

3 0
3 years ago
Read 2 more answers
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