3 years ago

What is the answer to the system of equations 2x+y=29 and y=1x+2.

2 answers:

7 0

Y = x+2 means that y can be replaced by x+2
The other equation is 2x+y = 29.

2x+y = 29
2x+x+2 = 29
3x = 27
x = 9

y = x+2 = 9+2 = 11

den301095 [7]3 years ago

4 0

2x+y = 29

2x+x+2 = 29

3x = 27

x = 9

Hope this helps...

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Triangle MNO is an equilateral triangle with sides measuring units. What is the height of the triangle? NR units

oksian1 [2.3K]

$\bf \textit{height of an equilateral triangle}\\\\
h=\cfrac{s\sqrt{3}}{2}\qquad 
\begin{cases}
s=\textit{length of a side}\\
---------\\
s=16\sqrt{3}
\end{cases}\implies h=\cfrac{16\sqrt{3}\cdot \sqrt{3}}{2}
\\\\\\
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