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2 years ago

Select the correct answer from each drop-down menu.

Mathematics

1 answer:

matrenka [14]2 years ago

5 0

Answer:

1: Distribute -2 to 5x and 8.

2:Subtract 6x.

3:Add 16.

4:Divide by -16.

Step-by-step explanation:

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9x - 5 =12<br>what is x?

Ainat [17]

Answer: x = 17/9

Step-by-step explanation: Lets solve for x.

9x - 5 = 12

9x - 5 + 5 = 12 + 5

9x = 17

9x/9 = 17/9

x = 17/9

3 0

3 years ago

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Is my work correct here I'm supposed to find the first four terms using the recursion formula?

inessss [21]

Answer:

<u>yes your formula is correct </u>

Step-by-step explanation:

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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

Select the coordinates of two points on the line y = −2. (2 points)

nikklg [1K]

Answer:

thanks for pointing

Step-by-step explanation:

pa report nalang

4 0

2 years ago

Pls answer quick I will give bainlyest to first GOOD answer

Helen [10]

Answer:

R1 - given

R2 - subtraction property of equality

R3 - distribution

S4 - 9x = 61

R5 - division prop. of equality

Step-by-step explanation:

hope this helps :)

5 0

3 years ago