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dybincka [34]
3 years ago
15

Can somebody help me with this..... Please

Mathematics
1 answer:
zepelin [54]3 years ago
4 0

So we can think of this as two semi circles and a rectangle. The rectangle has two exposed sides, meaning there are only two sides that should be accounted for in the overall perimeter. So for the rectangle, the exposed perimeter is 720. Because total there is a full exposed circle (2 half circles) we can find the perimeter (circumference) and add it to 720. In order to find the circumference we multiply diameter by pi. This is approximately 691.15. This added to the 729 gives us a total of 1411.15

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The answer please! I mean Ik it’s simple but I’m just not clever
wel

Answer:

596.9 cm^2

Step-by-step explanation:

The surface area of a cylinder is SA=2\pi rh+2\pi r^2 where r is the radius of the base of the cylinder and h is the height of the cylinder.

So, the surface area of the cylinder is:

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

SA=2\pi (5)(14)+2\pi (5)^2

SA=2\pi(70)+2\pi(25)

SA=2\pi(70+25)

SA=2\pi(95)

SA=190\pi

SA\approx596.9

7 0
3 years ago
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Afina-wow [57]

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Line m passes through the points (-4, 3) and (-4, 7). What is the slope of the line that is parallel to line m?
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The perimeter of a scalene triangle is 14.5 cm. The longest side is twice that of the shortest sidd.which equation can be used t
Likurg_2 [28]
Let S, M, L represent the shortest, mid-length, and longest sides, respectively. You are given three bits of information.
.. S +M +L = 14.5 cm
.. L = 2S
.. L = 6.2 cm
You can use an equation something like this to find the middle-length side.
.. (6.2 cm)/2 +M +6.2 cm = 14.5 cm
.. M +9.3 cm = 14.5 cm . . . . . . . . . . . . . constant terms collected
.. M = 5.2 cm . . . . . . . . . . . . . . . . . . . . . subtract 9.3 cm

Now, you know the side lengths are 3.1 cm, 5.2 cm, 6.2 cm.
_____
You have not offered any choices for "which equation," so take your pick of those used here.
5 0
3 years ago
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