2 years ago

Round 164.58 to the nearest whole number.

Mathematics

1 answer:

AleksAgata [21]2 years ago

7 0

165

djshshsbehehwhwhwjwjwp

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which of the following expresses the coordinates of the foci of the conic section shown below? (x-2)^2/4+(y+5)^2/9

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Step-by-step explanation:

$\frac{(x - 2) {}^{2} }{4} + \frac{(y + 5) {}^{2} }{9} = 1$

This is the equation of the ellipse. Since the denominator is greater for the y values, we have a vertical ellipse. Remember a>b, so a

The formula for the foci of the vertical ellipse is

(h,k+c) and (h,k-c).

where c is

Our center (h,k) is (2, -5)

${c}^{2} = {a}^{2} - {b}^{2}$

Here a^2 is 9, b^2 is 4.

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$c = \sqrt{5}$

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$(2, - 5 + \sqrt{5} )$

and

$(2, - 5 - \sqrt{5} )$

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Round 164.58 to the nearest whole number.​

Round 164.58 to the nearest whole number.