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sertanlavr [38]
3 years ago
15

Anne is planting a garden she is putting up a fence. The fence is 12.4 metres long and

Mathematics
2 answers:
Inga [223]3 years ago
7 0
Since the shape is not given, it's not easy to determine the actual perimeter. Regardless, it's important to keep in mind that the perimeter and area are independent of each other.

That said, assuming that this is a rectangle (since this amount of information is insufficient for any other 2D shape I can think of), it would simply be 2(12.4)+2(5.9), or 24.8+11.8, or 36.6. 

Saying actual perimeter typically means just that: the ACTUAL perimeter of a specified shape, which is why it's odd that this problem does not include a shape.

The perimeter <em>efficiency</em>, for example, <span>compares the actual perimeter of a shape with the circumference of the circle that would be required to enclose the same area. Since a circle will enclose any given area with the least amount of perimeter, it is said to be 100% efficient as an area enclosure.
</span>
Dmitrij [34]3 years ago
5 0
To find the perimeter you do length + width so you do 12.4 + 5.9 to get the perimeter.
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Vertical angles are equal, so
.. 3x +8 = 5x -20
.. 28 = 2x . . . . . . . . add 20-3x
.. 14 = x . . . . . . . . . . divide by 2

Each of the vertical angles is 3*14 +8 = 50°, so the supplementary one is 130°.
.. 5*14 +4y = 130
.. 4y = 60 . . . . . . . . subtract 70
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The values of interest are
.. x = 14
.. y = 15
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3 years ago
Please solve fast it's urgent​
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Step-by-step explanation:

hope it's helpful to you ☺️

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3 years ago
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50 points take it or leave it<br> 3x+4=22
Lerok [7]

Answer:

<h2>X=6</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
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<h3>let's solve:</h3>
  1. \sf cancel \: 4 \: from \: both \: sides :  \\  \sf   \implies \: 3x + 4 - 4 = 22 - 4 \\  \implies \sf \: 3x = 18
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3 years ago
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A cement block is in the shape of a rectangular prism that measures 4.5 feet by 7.25 feet by 6.5 feet. The entire block must be
Simora [160]
Since A=l*w*h,

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Zepler [3.9K]

Answer:

\huge\boxed{\text{Domain:}\ D=\mathbb{R}=(-\infty;\ \infty)}\\\boxed{\text{Range:}\ R=\mathbb{R}=(-\infty;\ \infty)}

Step-by-step explanation:

y = 4x - 5 + 3 = 4x - 2

It's an equation of a line in the slope-intercept form.

y = 4x - 2 → f(x) = 4x - 2 - it's a lienar function.

The domain of a linear function is the set of all real numbers.

If a slope of linear function is different than 0, then the range is the set of all real numbers.

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