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3 years ago

- 10n + 24 + 24n = -6n + 24

Mathematics

2 answers:

alukav5142 [94]3 years ago

7 0

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

n = 0

yKpoI14uk [10]3 years ago

5 0

Answer:

n=0

Step-by-step explanation:

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3 years ago

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3 years ago

MATCH THE number WITH ITS OPPOSITE

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3 years ago

Let P be the parabola with focus (0,4) and directrix y=x.Write an equation whose graph is a parabola with a vertical directrix t

prisoha [69]

Answer:

y²=4√2.x

Step-by-step explanation:

The focus is at (0,4) and directrix is y=x or x-y =0, for a parabola P.

The distance between the focus and the directrix of the parabola P is

$\frac{ |0-4| }{\sqrt{(1)^{2}+(-1)^{2} } }$ = $\frac{4}{\sqrt{2} }$

{Since the perpendicular distance of a point (x1, y1) from the straight line ax+by+c =0 is given by $\frac{ |ax1+by1+c| }{\sqrt{a^{2}+b^{2} } }$ }

Let us assume that the equation of the parabola which is congruent with parabola P is y²=4ax

{Since the parabola has vertical directrix}

Hence, the distance between focus and the directrix is 2a = $\frac{4}{\sqrt{2} }$ , {Two parabolas are congruent when the distances between their focus and the directrix are same}

⇒ a=√2

Therefore, the equation of the parabola is y²=4√2.x (Answer)

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3 years ago

I need help on this please

Leya [2.2K]

The expression we have is: