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DiKsa [7]
3 years ago
15

How many degrees are there if you add up the internal angles in a pentagon?

Mathematics
2 answers:
shepuryov [24]3 years ago
8 0
The answer is 540 degrees ^-^
KatRina [158]3 years ago
6 0
540 degrees

Equivalent to three triangles.
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Find the coordinates of the missing endpoint if B is the midpoint of AC. C(-5,4), B(-2,5) I need the steps and answer pls and ty
mylen [45]
\bf \textit{middle point of 2 points }\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%  (a,b)
A&({{ x}}\quad ,&{{ y}})\quad 
%  (c,d)
C&({{ -5}}\quad ,&{{ 4}})
\end{array}\qquad
%   coordinates of midpoint 
\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)

\bf \left( \cfrac{-5+x}{2}~,~\cfrac{4+y}{2} \right)=\stackrel{B}{(-2,5)}\implies 
\begin{cases}
\cfrac{-5+x}{2}=-2\\\\
-5+x=-4\\
\boxed{x=1}\\
----------\\
\cfrac{4+y}{2}=5\\\\
4+y=10\\
\boxed{y=6}
\end{cases}
3 0
3 years ago
Which of the following is a fifth degree binomial?
Anna11 [10]

Answer:

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Step-by-step explanation:

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Binomial should have two terms. Five degree binomial means highest degree of the binomial should be 5

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