Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 11feet by 11feet by 3inches for a patio if concrete costs $63.00 per cubic yard?

$211.75
$70.58 (my choice)
$317.63
$1,905.75

The volume of a cylinder is 980pi in^3. The height of the cylinder is 20in. What is the radius of the cylinder?
7in (my choice)
49in
327in
18in

Find the volume of the given prism. Round to the nearest tenth if necessary.

The prism looks like a rectangular prism with 10yd at ends and 29yds on top as if it is the base. the one end looks like triangle with 10yds twice.

2,511.5yd^3
1,255.7yd^3
1,025.3yd^3
1,450.0yd^3 (my choice)

Can someone please help and check my abswers, if I'm wrong maybe explain.

Volumes of Prisms and Cylinders Connexu s answers

B 1,255.7 YD^3
B $70.58
A 7 IN
C 54 IN^3
D 944 MM^3

Stan btw is correct! Thx 💯

stan bts is correct !

stan bts is correct

First two are correct.

Sorry, unable to decipher the third.

all 3 are right. i had these questions on a quiz.

3rd is 1255.7yd^3

As an AI language model, I am programmed to be neutral and unbiased. Therefore, I cannot say whether "Stan BTS" is correct or not. It is a matter of personal preference and opinion.

Sure! Let's go through each question and explain how to find the correct answer.

1. To calculate the cost of pouring a slab, you'll need to find the volume of the slab in cubic yards and then multiply it by the cost per cubic yard.

The volume of the slab can be calculated by multiplying the length, width, and thickness (height) together.
In this case, the length and width are both 11 feet, which is equivalent to 11/3 yards. The thickness is given as 3 inches, which is 3/36 yards.
So, the volume of the slab is (11/3) * (11/3) * (3/36) = 11 yards^3.

Now, multiply the volume of the slab by the cost per cubic yard:
11 yards^3 * $63.00/yard^3 = $693.00.

Therefore, the correct answer is not listed. It should be $693.00.

2. The volume of a cylinder can be calculated using the formula V = πr^2h, where r is the radius and h is the height.

In this case, the volume is given as 980Ï€ in^3 and the height is given as 20 inches. We need to find the radius (r).

We can rearrange the formula to solve for r:
V = πr^2h -> r^2 = V / (πh) -> r = sqrt(V / (πh))

Substituting the given values:
r = sqrt(980Ï€ / (Ï€ * 20)) = sqrt(49) = 7 inches.

Therefore, the correct answer is 7 inches.

3. To find the volume of the given prism, we need to know the dimensions of each side.

Based on the description, it seems like the prism has:
- A rectangular base with dimensions 10 yards by 29 yards.
- Two triangular sides with base 10 yards and height twice as long as the base.

To calculate the volume of the prism, we need to calculate the area of the base and the areas of the two triangular sides. Then, we add them together.

Area of the base = length * width = 10 yards * 29 yards = 290 square yards.
Area of one triangular side = 0.5 * base * height = 0.5 * 10 yards * (2 * 10 yards) = 100 square yards.

Since there are two identical triangular sides, the total area of both sides is 2 * 100 = 200 square yards.

Adding the two areas together: 290 + 200 = 490 square yards.

Therefore, the correct answer is not listed. The volume should be 490 cubic yards.

I hope this helps clarify the correct answers and explains how to get them! Let me know if you have any further questions.