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Inessa05 [86]
3 years ago
7

Find the volume of a regular hexagonal prism with the height of 22 apothem of 16 and a side length of 8

Mathematics
1 answer:
OverLord2011 [107]3 years ago
8 0

Answer:

V=8,448u^3

Step-by-step explanation:

The volume of a prism is given by:

V=A_{b}*h

where A_{b} is the area of the base, and h  is the height of thr prism.

We know that the height is:

h=22u

and the bases of this prism are hexagons.

Thus the area of the base is the area of a regular hexagon:

A_{b}=\frac{n*l*a}{2}

where n is the number of sides: for an hexagon: n=6

l is the length of each side: l=8u,

and a is the apothem: a=16u

we substitute all of this to find the area of the base:

A_{b}=\frac{6*8u*16u}{2}\\ \\A_{b}=\frac{768u^2}{2}\\ \\A_{b}=384u^2

and finally we use the formula for the volume:

V=A_{b}*h

we get the following:

V=384u^2*22u\\V=8,448u^3

which is the third option

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Explain why you can subtract exponents when you are dividing two powers with the same base.
masya89 [10]

When you divide numbers, you make the value smaller.  So subtract the exponents will make the value with that base smaller.


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Paguei 74,00 por uma bolsa e uma sandália. A bolsa foi 23,00 mais barato q a sandália. Qual o preço da sandália?
alukav5142 [94]

Responda:

48,5

Explicação passo a passo:

Dado que:

Custo total de bolsa e sandália = 74,00

Deixei :

Custo da sandália = x

Custo da bolsa = x - 23

Preço da sandália:

x + (x - 23) = 74

x + x - 23 = 74

2x - 23 = 74

2x = 74 + 23

2x = 97

x = 97/2

x = 48,5

Portanto, custo da sandália, x = 48,5

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=5%5E%7B-3%7D" id="TexFormula1" title="5^{-3}" alt="5^{-3}" align="absmiddle" class="latex-form
AveGali [126]

Answer:

the equivalent equation of

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3 years ago
How much larger is 6 times 10 to the 5th power compared to 2 times 10 to the 3rd power
lora16 [44]

Answer:

Either <em><u>10 times</u></em> or <u><em>598,000.</em></u>

Step-by-step explanation:

6 x 10 ^ 5 = 600,000

2 x 10 ^ 3 = 2,000

If we are figuring out the exact number, 600,000 - 2,000.  If we are finding out how many powers larger, count.

600,000 - 2,000 = 598,000

600,000 is 10 times larger than 2,000.

See?

600,0<u>00</u>

2,000

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