1 year ago

CAB SOMEONE HELP ME ASAP PLS

Mathematics

1 answer:

Anit [1.1K]1 year ago

3 0

A,
The shaded area for yellow is less than 1/5 of a circle, so the answer is the first one.

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sveticcg [70]

$\dfrac{(x-2)^2}{49}+\dfrac{(y+5)^2}{36}=1$

The equation of a elipse:

$\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2}=1$

The length of the major axis is equal 2a if a > b or 2b if b > a.

We have

$a^2=49\to a=\sqrt{49}=7\\\\b^2=36\to b=\sqrt{36}=6\\\\a > b$

therefore the length of the major axis is equal 2 · 7 = 14.

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