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4 years ago

HELP NOW PLEASE!What is the volume of a cube with length 8 feet? V=lwh _ft³

Mathematics

1 answer:

Igoryamba4 years ago

5 0

the volume of the cube is: 512 cubic feet

Step-by-step explanation:

Given

Length = l = 8 feet

The formula for the volume of a cube is given by:

$V = l * w * h$

In case of a cube, the length, width and height are equal so the volume will be:

$V = l^3$

Putting l = 8

$V = (8)^3\\V = 8*8*8\\V = 512\ ft^3$

Hence,

the volume of the cube is: 512 cubic feet

Keywords: Volume, cube

Learn more about volume at:

#LearnwithBrainly

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stich3 [128]

Answer:

7.0 m/s

Step-by-step explanation:

We can solve this using the 2 kinematic equations and you can use either:

$Vf=Vi+at\\\\vf^{2}=vi^{2}+2ad$

So let's use the first one.

Vi = initial velocity

Vf = final velocity

a = acceleration due to gravity (constant 9.8m/s²)

t = time

The marble is dropped so this means that it is in free fall. The initial velocity is always 0m/s.

We are given then the following:

d = 2.5m

t = 0.71s

Vi = 0 m/s

a = 9.8m/s²

So we plug in the values we know and solve:

$Vf = Vi + at\\\\Vf = 0 m/s + (9.8m/s^{2})(0.71s)\\Vf = 6.958m/s \cong 7.0m/s$

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stiks02 [169]

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VMariaS [17]

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Step-by-step explanation:

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Katena32 [7]

2.75 x + 3.55 y ≤ 2,479
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