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VikaD [51]
3 years ago
6

A rectangular prism has a length of 20 in., a width of 2 in., and a height of 3

7B4%7D" id="TexFormula1" title="\frac{1}{4}" alt="\frac{1}{4}" align="absmiddle" class="latex-formula"> in.
The prism is filled with cubes that have edge lengths of \frac{1}{4} in.

How many cubes are needed to fill the rectangular prism?
Mathematics
1 answer:
vodomira [7]3 years ago
7 0

Calculate the volume of both the prism and the cubes:

Prism:

Volume = 20 x 2 x 3.25 = 130 cubic inches.

Volume of cube:

Volume = S^3 = 1/4^3 = 1/64 ( 0.015625)

Divide the area of the prism by the area of the cube:

130 / 1/64 = 130 * 64 = 8,320

It would take 8,320 cubes to fill the prism.

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Lol plsss help me :((
patriot [66]

Answer:

The choice two;

-  \sqrt{3}

Step-by-step explanation:

\sqrt{27}  - 4 \sqrt{3}  \\ 3 \sqrt{3}  - 4 \sqrt{3}   =  - 1 \sqrt{3}  =  -  \sqrt{3}

6 0
2 years ago
HELP!!! ANSWER QUICKLY PLS!!! <br><br> (dont worry about the purple dot)
OverLord2011 [107]
The answer is b cause none of x is the same number
8 0
3 years ago
-3/4 + (-3/4)<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20-%203%7D%7B4%7D%20%20%2B%20%20%5Cfrac%7B%20-%203%7D%7B4%7D%20
nika2105 [10]

Firstly, since these two fractions have the same denominator, add the numerators up: \frac{-6}{4}

While it appears that the answer is -6/4, you can further simplify it by dividing the numerator and denominator by 2: -\frac{6}{4}\div\frac{2}{2}=-\frac{3}{2}

<u>Your answer is -\frac{3}{2}</u>

3 0
3 years ago
a box is 24cm by 15cm by 10cm. this box will packed with smaller boxes of paper clips which are 6cm by 3cm by 5cm . what is the
vichka [17]

Answer: 40

Align in this pattern:

Bigger box : 24 : 15 : 10

smaller box: 6 : 3 : 5

counts: 4: 5 : 2

( multiply 4*5*2 = 40)

7 0
3 years ago
-4c - 11 = 4c +21<br><br> Please help! I have literally no idea
MissTica
<span> -4c - 11 = 4c +21                                        add 4c to both sides
</span>
<span> -4c - 11 + 4c = 4c + 21 + 4c                        simplify

- 11 = 8c + 21</span>                                <span>               subtract 21 from both sides

- 11 - 21 = 8c + 21 - 21                                </span><span>simplify

- 32 = 8c                                                      divide both sides by 8

c = - 4


That's it






</span>

I hope you got the idea



3 0
3 years ago
Read 2 more answers
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