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Maru [420]
3 years ago
11

Write an expression that represents the volume of a cube with side length 2x^3. (For any cube with side length s, v = s^3 = s.s.

s^.)
A. 6x^6
B.6x^9
C. 8x^9
D.8x^6
Mathematics
1 answer:
leva [86]3 years ago
5 0

Answer:

C. 8x^9

Step-by-step explanation:

(2x³)³=8x^9

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Write an equation for a line that passes through the points (0,-4) and (1,3)
stich3 [128]
We can actually make two equations here, slope-intercept form and point slope form. Firstly, we need to find the slope. We do that by finding the difference of the y coordinates, and then dividing that by the difference of the x coordinates. 3-(-4)/1-0 is 7. Our slope is 7, slope is m.

Point slope form is y - y1 = m(x - x1). We only need to worry about y1 and x1. Let’s plug our x and y values in. y - (-4) = 7(x - 0). Next, we should simplify this. y + 4 = 7x. Next, we need to isolate y. We do this by subtracting four from both sides. y = 7x - 4

Our point slope form equation is y - (-4) = 7(x-0), and our slope-intercept form is y = 7x - 4. Keep in mind that 7 is our slope, or m, and -4 is our y-intercept.
3 0
3 years ago
In the diagram below, RSTU is a rectangle, and the two shaded regions are squares.
sdas [7]

Answer:

length PQ = 8.9 m  

Step-by-step explanation:

The picture below completes the question you  asked. From the picture above RSTU is a rectangle . The two shaded square has a length of sides 8 m and 4 m respectively. The legs of the triangle is the sides of the 2 squares. Therefore, the triangle is a right angle triangle. The adjacent side is 4 m while the opposite side is 8 m.

Using Pythagoras theorem the hypotenuse of the triangle can be calculated below.

Pythagoras theorem

c² = a² + b² Therefore,

c² = 4² + 8²

c² = 16 + 64

c² = 80

square root both sides

c = √80

c = 8.94427191

c ≈ 8.9 m

length PQ = 8.9 m  

7 0
4 years ago
Factor this polynomial expression.
Zanzabum

Answer:

B) 2(x+3)(x+3)

Step-by-step explanation:

4 0
3 years ago
PLEASE ANSWER! I NEED HELP!! 30 POINTS TO WHO EVER ANSWERS!
Rufina [12.5K]
The answer is C

Step by step :-
here
x=3
y=4
so,
-2×3+6×4=18
or,-6+24=18
4 0
3 years ago
Christens Toy Store is selling a hula hoop with a diameter of two feet. What is the hula hoops radius?
riadik2000 [5.3K]

Answer:

r = 1 ft

Step-by-step explanation:

Using the formula

d=2r

Solving for

r = d/2 = 2/2 = 1 ft

4 0
3 years ago
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