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Anuta_ua [19.1K]
2 years ago
11

What is the surface area of a circle that has a diameter of 14 inches

Mathematics
2 answers:
Anna007 [38]2 years ago
8 0
The area of any circle is        (pi) · (radius)² .

The radius is 1/2 of the diameter.

For your circle, the radius is 1/2 of 14 inches  =  7 inches,
and the area is

                            (pi) · (7 inches)²

                         = (pi) · (49 square inches)

                         =      153.9 square inches  (rounded)
fgiga [73]2 years ago
7 0
A= 153.94in squared
Hope I helped :)
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What’s the volume of this
pav-90 [236]

Given:

The height of the cylinder = 12 in

The diameter of the base of the cylinder = 8 in.

To find:

The volume of the cylinder.

Solution:

The diameter of the base of the cylinder is 8 in. The radius is half of its diameter. So,

r=\dfrac{8}{2}

r=4

So, the radius of the base of the cylinder is 4 in.

The height of the cylinder, h = 12 in.

Base area of the cylinder is:

B=\pi r^2

Where, B is the base area and r is the radius.

B=\pi (4)^2

B=16\pi

So, the base area is 16\pi square inches.

The volume of the cylinder is:

V=\pi r^2h

V=Bh

Where, r is radius, h is height, B is base area.

Putting B=16\pi and h=12, we get

V=(16\pi )12

V=192\pi

So, the volume is 192\pi cubic inches.

Therefore, r=4\text{ in}, h=12\text{ in},B=16\pi \text{ in}^2,V=192\pi \text{ in}^3.

7 0
3 years ago
The value given below is discrete. Use the continuity correction and describe the region of the normal distribution that corresp
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Answer:

D. The area to the left of 7.5

Step-by-step explanation:

If fewer than 8 passengers do not show up for a flight, then at most 7 passengers do not show up for a flight. Therefore, applying continuity correction, the area under the curve must comprehend from zero to seven passengers not showing up, but not the 8th passenger. Thus, the area must be to the left of 7.5.

The answer is D. The area to the left of 7.5.

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2 years ago
Which student correctly graphed a slope of 1/4?
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The equation of line m is: 4x + 3y = 2 What is the slope of a line perpendicular to line m?
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Step-by-step explanation:

8 0
2 years ago
Q: Angelica uses the point (4,3) to represent the location of her house and uses the point (10,8) to represent the location of a
oksian1 [2.3K]

Answer:

The answer to your question is 7.8 mi

Step-by-step explanation:

Data

H (4,3)

G (10, 8)

Process

1.- Use the distance between to points formula to find the distance

        dHG = \sqrt{(x2 - x1)^{2} + (y2 - y1)^{2}}

x1 = 4       y1 = 3

x2 = 10    y2 = 8

2.- Substitution

         dHG = \sqrt{(10 - 4)^{2} + (8 - 3)^{2}}

3.- Simplification

         dHG = \sqrt{6^{2} + 5^{2}}

         dHG = \sqrt{36 + 25}

         dHG = \sqrt{61}

4.- Result

         dHG = 7.8 mi

4 0
3 years ago
Read 2 more answers
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