Need help with math pls help me I will mark brainiest

Mathematics

2 answers:

Dmitrij [34]3 years ago

4 0

Answer:

the first one is D, the second one is B i think :)

Step-by-step explanation:

gladu [14]3 years ago

3 0

Answer:

14) D.

15) D.

Step-by-step explanation:

14)

The line has a positive slope, with a y-intercept: (0, 5).

15)

The line has a negative slope, with a y-intercept: (0, -2).

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An equilateral triangle has an altitude length of 36 feet. Determine the length of a side of the triangle.

liq [111]

$\bf \textit{height of an equilateral triangle}\\\\
h=\cfrac{s\sqrt{3}}{2}\quad 
\begin{cases}
s=\textit{length of a side}\\
---------\\
h=36
\end{cases}\implies 36=\cfrac{s\sqrt{3}}{2}
\\\\\\
72=s\sqrt{3}\implies \cfrac{72}{\sqrt{3}}=s~~\stackrel{rationalizing~it}{\implies }~~\cfrac{72}{\sqrt{3}}\cdot \cfrac{\sqrt{3}}{\sqrt{3}}\implies \cfrac{7\sqrt{3}}{3}$