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Contact [7]
3 years ago
15

A landscaper needs to estimate the amount of material required for a project building a circular brick patio for a client. The d

iameter of the patio is 13m and one bundle of brick will cover 116ft^2. How many bundles does he need?

Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0

Answer:

13 bricks

Step-by-step explanation:

Given parameter:

Diameter of the patio = 13m

Area of one bundle of brick  = 116ft²

Unknown:

The number of bricks that will cover the patio = ?

Solution:

To solve this problem, we must find the area of the patio first.

     Area of the patio = π r²

r is the radius of the patio;

   Radius  = \frac{13}{2}

 So area = π  x ( \frac{13}{2}) ² = 132.75m²

Now, let us convert the Area of the brick from ft² to m²;

     1ft²  = 0.093m²

   116ft² = 0.093 x 116  = 10.79m²;

The number of bricks required to cover the patio = \frac{132.75}{10.79}   = 12.3 bricks,

Realistically, about 13 bricks would be needed.

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soldier1979 [14.2K]

Answer:

1.83333333333

Step-by-step explanation:

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8 0
3 years ago
Simplify the expression.<br> 16 - 4 (3+2: (9–7)]<br> 0 0<br> O 6<br> O 30<br> O 64
katen-ka-za [31]
16-4(3+2:2)
16-4(3+1)
16-4 x 4
16-16=0
5 0
4 years ago
A cork in the shape of a cylinder has a radius of 2 cm, a height of 5 cm, and weighs 2.5 grams. Find the volume and density of t
8_murik_8 [283]

For this case we have that by definition, the density is given by:

d = \frac {M} {V}

Where:

M: It is the mass

V: It is the volume

We find the volume of the cylinder:

V = \pi * r ^ 2 * h

Where:

r: It is the radius of the cylinder

h: It is the height

V = \pi * 2 ^ 2 * 5\\V = \pi * 4 * 5\\V = \pi * 20\\V = 62.8 \ cm ^ 3

So the density is:

d = \frac {2.5} {62.8}\\d = 0.04

Answer:

d = 0.04 \frac {g} {cm ^ 3}\\Base area: 4 \pi\\Volume: 62.8 \ cm ^ 3

3 0
3 years ago
Which of these groups of relative frequencies will be best buy a pie chart
Crank

Answer: You are correct! Whatever adds up to 100% is the answer! :)

4 0
3 years ago
Read 2 more answers
62.4% of what is 17.16?
Maksim231197 [3]
To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 17.16 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 17.16 is 100%, so we can write it down as 17.16 = 100%.

4. We know, that x is 62.4% of the output value, so we can write it down as x=62.4%

5. Now we have two simple questions:

1) 17.16 = 100%

2) x=62.4%

Where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

17.16÷x=100%÷62.4%

6. Now we just have to solve the simple equation, and we will get the  solution we are looking for.

7. Solution for what is 62.4% of 17.16

17.16÷x=100/62.4%

(17.16÷x)×x=(100÷62.4%)×x

17.16=1.60256410256×x

(1.60256410256) to get x

17.16÷1.60256410256=x

10.70784=x

x=10.70784

Now we have:
62.4% of 17.16=10.70784

So 10.70784 is your answer

Hope this  helps :)



3 0
4 years ago
Read 2 more answers
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