3 years ago

Use a transformation to solve the equation. b + 0.6 = –1

1 answer:

8 0

You answer should be :

-1.6

Hope that helped!

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Pachacha [2.7K]

Answer:

$y=\dfrac{1}{8}(x-2)^2-4$

Step-by-step explanation:

The directrix y=-6 is parallel to the x axes, so parabola has equation of the form

$(x-x_0)^2=2px(y-y_0),$

where $(x_0,y_0)$ is the vertex of parabola and p is parabola's parameter.

By the definition, $\frac{p}{2}$ is the distance from the vertex to the directrix, so

$\dfrac{p}{2}=2\Rightarrow p=4$

Hence, the equation of parabola is

$(x-2)^2=8(y+4)$

See attached diagram for the graph of parabola and its directrix.

In vertex form this equation is

$y=\dfrac{1}{8}(x-2)^2-4$

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3 years ago

Mnenie [13.5K]

I think it's 3x^2 - 3x

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3 years ago

Lelu [443]

Answer:

$\cos = \frac{base}{hypotenuse} = \\ \cos(j) = \frac{ \sqrt{29} }{ \sqrt{94} } = \sqrt{ \frac{29}{94} } \\ answer = \sqrt{ \frac{29}{94} }$

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2 years ago

trasher [3.6K]

These are vertical angles so they’re equal.
2x+2=3x-52
X=54

Check: 2(54)+2=110 and 3(54)-52=162-52=110

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3 years ago

Luda [366]

===========================
$1) \frac{90*33}{100}=29,7$

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3 years ago