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Sidana [21]
2 years ago
6

a storage drum in the shape of a cylinder is 3 feet tall and has a diameter of 4 feet. what is the total surface area of the sto

rage drum? use 3.14 for pi and round the answer to the nearest tenth
Mathematics
2 answers:
nlexa [21]2 years ago
7 0

Answer:

SA=62.8\ ft^2

Step-by-step explanation:

we know that

The surface area of a cylinder is equal to

SA=2\pi r^{2}+2\pi rh

we have

h=3\ ft

r=4/2=2\ ft ----> the radius is half the diameter

assume

\pi =3.14

substitute

SA=2(3.14)(2)^{2}+2(3.14)(2)(3)

SA=62.8\ ft^2

kirill [66]2 years ago
7 0

Answer:

SA=62.8\ ft^2

Step-by-step explanation:

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State whether the data described below are discrete or continuous, and explain why. The amounts of time that different surgical
zepelin [54]

Using variable concepts, it is found that the amounts of time that different surgical procedures take at hospital is continuous.

<h3>What are continuous and discrete variables?</h3>
  • Continuous variables: Can assume decimal values.
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In this problem, the amounts of time that different surgical procedures take at hospital can be decimal, for example 10.5 minutes, hence it is a continuous variable.

You can learn more about continuous and discrete variables at brainly.com/question/16978770

5 0
2 years ago
A license plate is designed so that the first two characters are letters and the last four characters are digits​ (0 through​ 9)
vagabundo [1.1K]

Answer: 6760000

Step-by-step explanation:

Given : A license plate is designed so that the first two characters are letters and the last four characters are digits​ (0 through​ 9).

We know that ,

Number of choice for letters : 26  

Number of choices for numbers : 10

Now, the number of different license plates can be formed is repetition of letters is allowed :-

26\times26\times10\times10\times10\times10\\\\=6760000

∴The number of different license plates that can be formed is 6760000 .

3 0
3 years ago
The quotient of a number and 6 decreased by 10 is equal to 2.​
Akimi4 [234]

Answer:

6

Step-by-step explanation:

x+6-10=2

x+6=12

x=12-6

<h2>x=6 </h2>

<h3>hence the number is 6</h3>
4 0
2 years ago
Read 2 more answers
One report said that it rained 3 inches in two days. It actually rained 1.05 inches and 1.8 inches. How far off was the report?
amid [387]

Answer:

Step-by-step explanation:

1.80 + 1.05 = 2.85

3.00 - 2.85 = .15 inches

4 0
2 years ago
    What is the area of the moon?
nataly862011 [7]

The moon is roughly a sphere, with an average radius of 1,738 kilometers.

The area of a sphere is      4 pi R² .

Area of the moon  =  (4 pi) (1,738 km)² =

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3 0
3 years ago
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