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JulsSmile [24]
2 years ago
14

Find the value of x.

Mathematics
1 answer:
Karolina [17]2 years ago
8 0

Answer:

x=60º

Step-by-step explanation:

Answer: x=60º

180º-60º=120º

2x=120º

divide by 2 on both sides

x=60º

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Find the standard form of the equation of the parabola with a focus at (5, 0) and a directrix at x = -5.
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notice the distance "p" there, now, is a horizontal parabola, opening to the right, meaning the value for "p" is positive, or just 5, thus

\bf \textit{parabola vertex form with focus point distance}\\\\
\begin{array}{llll}
\boxed{(y-{{ k}})^2=4{{ p}}(x-{{ h}})}
\\\\
(x-{{ h}})^2=4{{ p}}(y-{{ k}})
\end{array}
\qquad 
\begin{array}{llll}
vertex\ ({{ h}},{{ k}})\\\\
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\end{array}\\\\
-------------------------------\\\\
\begin{cases}
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\end{cases}\implies (y-0)^2=4(5)(x-0)\implies y^2=20x
\\\\\\
\cfrac{y^2}{20}=x\implies \cfrac{1}{20}y^2=x

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Step-by-step explanation:

<u>13,789:</u>

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