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KatRina [158]
2 years ago
11

first to answer correctly gets brainleist if u put a link u get reported so yea. bye thx have a blessed day :).

Mathematics
2 answers:
DENIUS [597]2 years ago
5 0
60+60+5x=180
120+5x=180
5x=180-120=60
x= 60/5 = 12
Damm [24]2 years ago
3 0

Answer:

x is 12

Step-by-step explanation:

Equilateral triangles have equal angle measures, and 5 times 12 equals 60.

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What are the real solutions to the equation 5x² + 29x + 20 = 0?
Readme [11.4K]

Answer:

x = -5,\: -\frac{4}{5}

Step-by-step explanation:

  • 5x^2 +29x + 20=0

  • \implies  5x^2 +25x +4x+ 20=0

  • \implies  5x(x +5) +4(x+ 5)=0

  • \implies  (x +5) (5x+ 4)=0

  • \implies  (x +5) = 0,\:(5x+ 4)=0

  • \implies  x = -5,\:x=-\frac{4}{5}

  • \implies  x = -5,\: -\frac{4}{5}
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2 years ago
Find the area of the regular polygon​
gregori [183]

Answer:To find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothem. Here is what it means: Perimeter = the sum of the lengths of all the sides. Apothem = a segment that joins the polygon's center to the midpoint of any side that is perpendicular to that side.

Step-by-step explanation:

hope this helps

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8 0
2 years ago
I REALLY NEED HELP PLZ :(((((
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Where is the picture?

Step-by-step explanation:

5 0
3 years ago
Which line is a linear model for the data?
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3 years ago
2/3 is what percent of 1/4?
saveliy_v [14]
So if we take 1/4 to be the 100%, what is 2/3 in percentage off of it then?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
\frac{1}{4}&100\\\\
\frac{2}{3}&p
\end{array}\implies \cfrac{\frac{1}{4}}{\frac{2}{3}}=\cfrac{100}{p}\implies \cfrac{1}{4}\cdot \cfrac{3}{2}=\cfrac{100}{p}\implies \cfrac{3}{8}=\cfrac{100}{p}
\\\\\\
p=\cfrac{8\cdot 100}{3}\implies p=\cfrac{800}{3}\implies p=266\frac{2}{3}\implies p\approx 266.\overline{66}

yes, is a large value, because 2/3 is indeed larger than 1/4, more than twice as large.
8 0
3 years ago
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