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AfilCa [17]
3 years ago
13

What is the surface area of a cylinder? Express the answer in term of x D=8cm h=18cm

Mathematics
2 answers:
Ilia_Sergeevich [38]3 years ago
7 0

Answer:

the surface area is 552.92

Step-by-step explanation:

lesantik [10]3 years ago
4 0

Answer:

552.92 {cm}^{2}

Step-by-step explanation:

A=2πrh+2π {r}^{2}  \\ =2·π·4·18+2·π· {4}^{2}  \\ ≈552.92031

hope this helps

brainliest appreciated

good luck! have a nice day!

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FrozenT [24]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
If <br> B is the midpoint of AC, AB=x+6 and AC=5x-6, then what is BC?
nikklg [1K]

If B is the midpoint of AC, then AB=BC. It is also BC=AC-AB

AB = x + 6

AC = 5x - 6

BC = (5x - 6) - (x + 6)

We can kinda use distributive property, like this:

BC = 5x - 6 -x - 6

Combine like terms:

BC = 4x - 12

To verify, we can add AB and BC to see if their sum is equal to AC.

(x + 6) + (4x - 12) = 5x - 6

If we are correct, this equation will be true.

x + 6 + 4x - 12 = 5x - 6

Combine like terms:

6 + 5x - 12 = 5x - 6

5x - 6 = 5x - 6

It's correct!

BC = 4x - 12. Final Answer.

Let me know if you have any questions about this! :)

7 0
3 years ago
Reciprocal of 2 3/11
const2013 [10]

Answer:

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Step-by-step explanation:

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