3 years ago

How do I quit this and get this 7 day offer off of my credit card?

Mathematics

1 answer:

victus00 [196]3 years ago

5 0

Answer:

Cancel the credit card

Step-by-step explanation:

If you don't have the card, it can't be charged to you

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Franklin rolls a pair of six-sided fair dice with sides numbered 1 through 6. The probability that the sum of the numbers rolled

HACTEHA [7]

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3 years ago

What is the equation of the parabola in vertex form with vertex (2,-4) and directrix y=-6

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

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nadya68 [22]

Answer:

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Step-by-step explanation:

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3 years ago

Solve..........20 = 5x + 10y

kvv77 [185]

5x + 10y = 20

-5x + 20 = 10y

-x/2 + 2 = y

y = 2 - x/2

20 - 10y = 5x

4 - 2y = x

x = -2y + 4

Answer:

x = -2y + 4

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3 years ago

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Step-by-step explanation:

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