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Vitek1552 [10]
3 years ago
5

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.
Recall the formula S A = 2 pi r squared + 2 pi r h.


A. 20.0



B. 37.7


C. 50.2


D. 62.8
Mathematics
2 answers:
Stels [109]3 years ago
5 0
I’m not sure but i think it’s B 37.7
frozen [14]3 years ago
5 0

Answer:

It's D

Step-by-step explanation:

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21) Bob ran the first part of a 12 km race at a speed of 8 kmph. He ran the second part of the
diamong [38]

Answer:

Step-by-step explanation:

Bob ran the first part of a 12 km race at a speed of 8 kmph. He ran the second part of the

race at 10 kmph. If his total time for the entire race was 1.74 hours, how far did he run in

the first part of the race?

First part :

Total Distance = 12 km

First part Speed = 8kmph

Let distance covered on first part = x

Second part speed = 10kmhr

(8*x)

6 0
3 years ago
Does anyone know this? :)
Scilla [17]

Answer:

2x²y+(x²y-2xy²) = 3x²y-2xy²

(5xy²-x²y) +3x²y = 5xy²-2x²y

4x²y+(x²y+xy²) = 5x²y+xy²

x²y+(-2xy²-4x²y) = -3x²y-2xy²

Step-by-step explanation: there you go

6 0
3 years ago
Solve for b.<br> -t = 9(t - 10)<br> (WILL GIVE BRAINLIEST)
coldgirl [10]

Answer:

Do you mean solve for t?

If you do, the answer is 9.

Step-by-step explanation:

If we expand the equation out, we get:

-t = 9t - 90

If we move the -90 over to the left side and the -t to the right side, we get:

90 = 10t

Dividing both sides by 9, we get:

t = 9

5 0
3 years ago
Read 2 more answers
How do you know if a situation represents<br> a proportional relationship?
kvasek [131]
If the relationship between two quantities is a proportional relationship, this relationship can be represented by the graph of a straight line through the origin with a slope equal to the unit rate. For each point (x, y) on the graph, ž is equal to k, where k is the unit rate. The point (1, k) is a point on the graph.
7 0
3 years ago
X + y = 0
IrinaVladis [17]

Answer:

(-3,6) (1,8) (2,10) and so on.

7 0
3 years ago
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