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almond37 [142]
3 years ago
7

What is the volume of a cylinder in cubic feet with a height of 8 feet and a base diameter of 18 feet

Mathematics
1 answer:
postnew [5]3 years ago
8 0

Answer:

The volume of a cylinder:

V \approx 2035.75 ft^3

Step-by-step explanation:

-To find the volume of a cylinder, you first need the formula:

V = \pi (\frac{d}{2})^2  h

d = diameter

h = height

-Use the following diameter and height for the formula:

V = \pi (\frac{18}{2})^2  8

-Then, you solve:

V = \pi (\frac{18}{2})^2  8

V = \pi \times (\frac{18}{2})^2 \times  8

V = \pi \times (9)^2 \times  8

V = \pi \times 81 \times  8

V = \pi \times 648

V = 648\pi \approx 2035.752

-Since the hundredth place is 2, It cannot be rounded to the nearest hundredths place, so it would be:

V \approx 2035.75 ft^3

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Step-by-step explanation:

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3 years ago
find the area of the shape below
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Answer:

235 cm²

Step-by-step explanation:

Find area of the large rectangle on the bottom. To do that, find its length and width, then multiply them together.

Length of big rectangle=20 cm

Width of big rectangle=9 cm

20x9=180 cm²

Next, find the area of the small rectangle on the top. To do that, find its length and width, then multiply them together.

Length of small rectangle=11 cm

Width of small rectangle=5 cm

I found the width by subtracting 9 from 14, since the 9 cm is part of the large rectangle.

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3 years ago
10. The perimeter of a parallelogram is 72 meters. The width of the
nalin [4]

Answer:

Length is 20 meters and Width is 16 meters

Step-by-step explanation:

A parallelogram is a 4-sided figure with 2 pair of parallel sides.

The perimeter is the sum of all 4 sides of the parallelogram.

Let the length of parallelogram be x and width be y.

The perimeter is 72, thus we can write:

x + x + y + y = 72

or

2x + 2y = 72

Also, width is 4 less than length, thus we can write:

y = x - 4

Now, we replace the 1st equation with the 2nd equation and solve for x first. Shown below:

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And now y:

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4 0
3 years ago
What are the values between the 2 nines 709,945,107
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10,000 is the answer
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3 years ago
Read 2 more answers
A little Challenge.
zubka84 [21]

Step-by-step explanation:

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6 0
3 years ago
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