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2 years ago

6

A different cube has a side of length 5. Write two expressions that would represent how to find the volume of the cube. One expr

ession should use exponents.

1 answer:

Vedmedyk [2.9K]2 years ago

6 0

Answer:

V=125

look it up and a wole procces does it and shows you how to do it. Just look up

"Cube solve (units)" and you can do voloume and stuff

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The lengths of the sides of a triangle are represented by 3m, 3m and 3m.

Aleks04 [339]

Q1: The perimeter of the triangle is a + b + c and if each side is the same then it's 3a. In this situation we may write it in its simplest form as 9m. Note that 3(3m) is also correct but it's not the simplest form.

Q2: You're correct, the distributive property of 3(3m) can be written as 3 (2m + m).

3 0

3 years ago

Which equation represents a line which is parallel to the line 2x+y=-8?A. y=− 1/2 x−4B. y=−2x+5C. y=2x+3D. y= 1/2x+2

katrin2010 [14]

Two lines that are parallel have the same slope. In its slope-intersect form, we can write the equation of a line with slope m and y-intercept b as:

$y=mx+b$

Step 1

Write the given equation in slope-intercept form and identify its slope m.

$\begin{gathered} 2x+y=-8 \\ \\ 2x+y-2x=-2x-8 \\ \\ y=-2x-8 \end{gathered}$

Thus:

$m=-2$

Step 2

Find the equation with the same slope m = -2. We need to identify which of them has -2 multiplying the variable x.

Answer

From the given options, the only one with the same slope m = -2, therefore parallel to the given line, is:

$y=-2x+5\text{ (option B)}$

4 0

1 year ago

ANSWER FAST WILL GIVE BRAINLY. Which equation does NOT represent direct variation? (Make sure to solve for y first!)

Snowcat [4.5K]

Answer: I thinks its F...

Step-by-step explanation:

5 0

3 years ago

Find the value of X :)

Kruka [31]

Answer:

3x+4x

Step-by-step explanation:

you should get your answer

4 0

3 years ago

Y=3/4x^2+9x vertex form?

Nutka1998 [239]

The standard form:

$f(x)=ax^2+bx+c$

The vertex form:

$f(x)=a(x-h)^2+k\\\\h=\dfrac{-b}{2a};\ k=f(h)$

We have

$y=\dfrac{3}{4}x^2+9x\to f(x)=\dfrac{3}{4}x^2+9x\\\\a=\dfrac{3}{4},\ b=9,\ c=0\\\\h=\dfrac{-b}{2a}\to h=\dfrac{-9}{2\cdot\frac{3}{4}}=\dfrac{-9}{\frac{3}{2}}=-9\cdot\dfrac{2}{3}=-3\cdot2=-6\\\\k=f(h)\to k=f(6)=\dfrac{3}{4}(-6)^2+9(-6)=\dfrac{3}{4}(36)-54\\=(3)(9)-54=27-54=-27$

Answer:

$y=\dfrac{3}{4}(x-(-6))^2+(-27)=\dfrac{3}{4}(x+6)^2-27$

7 0

3 years ago