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Anna71 [15]
4 years ago
13

Find the surface area of the cylinder leave your answer in terms of pie

Mathematics
1 answer:
Sonbull [250]4 years ago
5 0

Answer:

54π cm²

Step-by-step explanation:

It's pi, or π, but definitely not "pie."

The surface area has two parts:  the vertical side and the two ends.

The formula for the area of the vertical sides is A = πr²h, where r is the radius and h is the height.  Here, we have:

A = π(3 cm)²(5 cm) = 45π cm²

Each of the ends has the following area:  A = πr², or A = 9π cm²

Thus, the total surface area of the cylinder is 45π cm² + 9π cm², or 54π cm²

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ANSWER ASAP! george has to fix his car. the mechanic charges $20 to asset the car and $15 each hour it takes to fix the car. wri
Tema [17]

Answer:

20 + (15h)

Step-by-step explanation: It would be 15 times the amount of hours and then 20 added to that.

4 0
2 years ago
At what point should an open circle be drawn (-1,0) (0,0) (0,1) (1,0)
alisha [4.7K]

I think the answer would be (0,0).

Hope this helps! ;)

6 0
4 years ago
Which expression gives the prime factorization of 80?
BigorU [14]

Prime Factors of 80 =2, 2, 2, 2, 5

<span>Which is the same as = 24 x 5Prime Factors Tree of 80
 80 
/     \
2     40
/       \
2      20
/       \
2      10
/       \
2      5
/       \
5      1

Hope this helps  :)</span>
6 0
4 years ago
How do you divide $306 into the ratio of 9:5:3? Can someone give me some advice on how to solve this problem?
GarryVolchara [31]
In order to divide $306 into the ratio of 9 to 5 to 3, first you have to make each section of the ratio represented by a variable, and put it into an equation.

9x + 5x + 3x = 306

Our next step is to simplify the left side of the equation by combining all of the like terms, the ones that contain variables.

17x = 306

Finally, to solve this equation, you have to divide both sides by 17 to isolate the variable x on the left side of the equation.

x = 18

However, this is not our answer as it isn't in a ratio format and doesn't really make sense. To find our ratio, we have to multiply each of our initial numbers (9, 5, and 3) by our variable, x.

9 * 18 = 162
5 * 18 = 90
3 * 18 = 54

You can verify that these numbers are correct because if you add them together you get 306.

Your final ratio is 162:90:54.

Hope this helps! :)

If you have a separate specific question about pre-tax prices and PMed me the link, I'd be happy to help you.
4 0
3 years ago
What is 6/10 is <br>it A 3/5 B 5/7 or C 9/3
olga_2 [115]
6    divided by 2           3
---                          =     -----
10  divided by 2           5

therefore your answer is option A

hope this helps :)
8 0
4 years ago
Read 2 more answers
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