Find the volume of a cone with a radius of 4ft and a height of 12ft. Give your answer in terms of pie

Answers

Answer 1

Answer:

Answer: 64π ft³

Step-by-step explanation: To find the volume of a cone, start with the formula for the volume of a cone which is shown below.

$Volume = (1)/(3) \pi r^(2) h$

Here, notice that our cone has a radius of 4 feet and a height of 12 feet so plugging into the formula, we have $((1)/(3))(\pi)(4 ft^(2))(12 ft)$

Start by simplifying the exponent and moving π to the end.

So we have $((1)/(3))(16 ft^(2))(12 ft)(\pi)$ .

Next, notice that the 3 in 1/3 and 12 cross cancel to 1 and 4.

Now multiplying, $(1)(16 ft^(2))(4 ft)$ is 64 ft².

So we have 64π ft³. This will be your answer

So the volume of the cone is 64π ft³.

Now, remember that π is approximately equal to 22/7 or 3.14 so we can estimate the volume py plugging in 3.14 for π.

So we have $(64)(3.14)$ which is equal to 200.96 ft³.

So the volume of the cone is approximately equal to 200.96 ft³.

Answer 2

Answer:

Answer:

Step-by-step explanation:

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A rectangular sheet of paper had a width of 841 millimetres.Its area was 1 square metre.
What was its length to the nearest millimetre?

Answers

1 meter = 1000 millimeters

Area = length * width
A = lw

1000 = l * 841
1.19 = l

Length = 1.19 millimeters

Can someone please help? I will give thanks and 5 stars, and if possible, brainlist, if you explain how to solve the question.

Answers

Answer:

1/14

Step-by-step explanation:

Odd numbers: 5, 7, 9

3/7 × 1/6

1/14

Alex is thinking of a doubles fact the sun is greater than the sum 7+7 but less than the sum of 8+9. What fact is Alex thinking of?

Answers

15 is your answer, because 7+7=14 and its greater then 14 but less then 8+9 which = 16.

9+8=17not 16 so the answer could be either 15 or 16

Apples cost $0.89/pound. How much will 25 pounds cost?

Answers

$22.25 will be your answer for this one

Answer:

Your answer will be 22.25 because 0.89 times 25 equals that

Step-by-step explanation:

What is the area of rectangle ABCD? 43 units2 52 units2 104 units2 208 units2

Answers

The area of rectangle ABCD is 104 square units.

What Is the Area of a Rectangle in Geometry?

The area of the space occupied within the perimeter of a rectangle is called the area of a rectangle. It is calculated by finding the product of the length and breadth of the rectangle.

What Is the Perimeter and Area of a Rectangle?

The perimeter of a rectangle is the sum of its four sides. Hence, Perimeter of Rectangle = 2 (Length + Width) units. The area of a rectangle is defined as a product of length and width. It is expressed in terms of squareunits.

Learn more about Rectangle here brainly.com/question/25292087

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Answer:

The answer is 104 units squared or C on edge

Step-by-step explanation:

If y = x^3 - 1, find the value of y when x = 2.

Answers

y = x³-1

y = 2³ -1

y = 8 -1

y = 7

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