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MAXImum [283]
2 years ago
7

Write the equation for a circle with a center at (5,-2) and a radius of 4.

Mathematics
1 answer:
choli [55]2 years ago
8 0

Answer:

(x-5)^2+(y+2)^2=4^2

Step-by-step explanation:

The equation of a circle is: ( x - h )^2 + ( y - k )^2 = r^2 where ( h, k ) is the center and r is the radius. Therefore, the equation in this instance is (x-5)^2+(y+2)^2=4^2.

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oksano4ka [1.4K]

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7 0
2 years ago
An observer in a hot air balloon sights a building that is 50 m from the balloon's launch point. The balloon has risen 165 m. Wh
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Notice the picture,
recall your SOH, CAH, TOA
\bf sin(\theta)=\cfrac{opposite}{hypotenuse}
\qquad \qquad 
% cosine
cos(\theta)=\cfrac{adjacent}{hypotenuse}

\\ \quad \\
% tangent
tan(\theta)=\cfrac{opposite}{adjacent}

you have,
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adjacent side, 50
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that means, we'll need Mrs. tangent
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\\ \quad \\
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\\ \quad \\
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\\ \uparrow  \\
 \textit{angle of elevation}\iff\textit{angle of depression}

4 0
3 years ago
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