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2 years ago

I don't really understand this yet, could someone please help?

Mathematics

1 answer:

Nookie1986 [14]2 years ago

5 0

Answer:

maybe show me a picture of what u want me to help u with and then Ill answer it

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Which of the following best describes the algebraic expression x/3 -15

Dennis_Churaev [7]

Answer:

A. A number divided by three minus fifteen.

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3 years ago

Evaluate the expression<br> (-2)3•(-6)

den301095 [7]

(-2)3•(-6)
=-6•(-6)
=36

8 0

3 years ago

Read 2 more answers

The general form of an parabola is 2x2−12x−3y+12=0 .

Murljashka [212]

Answer:

The standard form of the parabola is $(x-3)^2=4*\frac{3}{8}(y+2)$

Step-by-step explanation:

The standard form of a parabola is

$(x-h)^2=4p(y-k)$ .

In order to convert $2x^2-12x-3y+12=0$ into the standard form, we first separate the variables:

$2x^2-12x+3y+12=0\\\\2x^2-12x+12=3y$

we now divided both sides by 2 to remove the coefficient from $2x^2$ and get:

$x^2-6x+6=\frac{3}{2}y$ .

We complete the square on the left side by adding 3 to both sides:

$x^2-6x+6+3=\frac{3}{2}y+3$

$x^2-6x+9=\frac{3}{2}y+3$

$(x-3)^2=\frac{3}{2}y+3$

now we bring the right side into the form $4p(y-k)$ by first multiplying the equation by $\frac{2}{3}$ :

$\frac{2}{3} *(x-3)^2=\frac{2}{3} *(\frac{3}{2}y+3)\\\\\frac{2}{3} *(x-3)^2=y+2$

and then we multiplying both sides by $\frac{3}{2}$ to get

$(x-3)^2=\frac{3}{2} (y+2)$ .

Here we see that

$4p=\frac{3}{2}$

$\therefore p=\frac{3}{8}$

Thus, finally we have the equation of the parabola in the standard form:

$\boxed{(x-3)^2=4*\frac{3}{8}(y+2)}$

5 0

3 years ago

Part E

Rina8888 [55]

Answer:

Step-by-step explanation:

OK you should really have these by now.

Translation, reflection and rotations do not change segment lengths or angular relationships. They only change line slopes and/or y-intercepts.

4 0

2 years ago

A cube with an edge of length has a volume of 64 units. What is the length of ? Hint: Volume of a cube is LxWxH.

aleksandr82 [10.1K]

Answer:

it is 4

Step-by-step explanation:

5 0

2 years ago