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bulgar [2K]
4 years ago
11

Find the surface area. Use 3.14 for pie

Mathematics
1 answer:
antoniya [11.8K]4 years ago
6 0

Answer:

3,165.12 square meters

Step-by-step explanation:

To find the surface area of a cylinder, first separate the shapes you must find the area of. In this case, you need to find the areas of two circles and one rectangle (the height).

The two circles can be found using the equation: a = pi(r^2). r means radius!

12 squared is 144, which, multiplied by pi, is 452.16 square units. Because there are two circles, you can multiply this area by two to get the area of both: 904.32.

The rectangle can be found by multiplying the circumference of the circle by the height of the cylinder. The circumference can be found with the equation: c = 2pi(r). The circumference of this cylinder's base is 75.36, which, multiplied by the height of the cylinder, is 2,260.8.

Now that you have both the area of the circles and the side, you can add them both together and get the surface area.

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-5/6x = -10/3<br> solve for x
ololo11 [35]

Answer:

x = 4

Step-by-step explanation:

First you need to multiply both sides of the equation by -6/5

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then reduce the greatest common divisor, 5

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Then multiply (multiplying two negatives equals a positive)

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x = 2 × 2

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8 0
3 years ago
at a conference of 250 people, 30% of the participants are french, 35% are americans, 20% are germans, and the rest are of the o
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