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PilotLPTM [1.2K]
3 years ago
6

Sandy wants to cover a wooden cylinder with a diameter of 1 ft and a height of 4 ft with carpet to build a scratching post for h

er cats. What are the steps she needs to take to complete this task?
Mathematics
1 answer:
aleksley [76]3 years ago
6 0

Answer:

Sandy needs 14.13\ ft^{2} of carpet to build a scratching post for her cats

Step-by-step explanation:

Sandy needs to calculate the surface area of the cylinder

The surface area of the cylinder is equal to

SA=2\pi r^{2}+2\pi r(h)

we have

r=1/2=0.5\ ft ----> the radius is half the diameter

h=4\ ft

assume

\pi =3.14

substitute the values  

SA=2(3.14)(0.5)^{2}+2(3.14)(0.5)(4)

SA=14.13\ ft^{2}

Sandy needs 14.13\ ft^{2} of carpet to build a scratching post for her cats

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Answer:

Step-by-step explanation:

x and 6

6^2 is 36

x^2 is still x^2

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square root of ( 36 + x^2 )

I'm not that sure about this one i think it might be more simplified

8 0
2 years ago
The radius of a size 5 soccer ball is approximately 11.5 cm. How many square inches of synthetic leather does it
kakasveta [241]

Answer:

1661.06 cm²

Step-by-step explanation:

From the question given above, the following data were obtained:

Radius (r) = 11.5 cm

Size of synthetic leather needed =?

To know how many square centimetres of synthetic leather needed to cover the ball, we shall determine the area of the ball. This can be obtained as follow:

Radius (r) = 11.5 cm

Pi (π) = 3.14

Area of ball =?

The shape of a ball is spherical in nature. Thus, we shall apply the formula for calculating the area of a sphere. This is illustrated below:

A = 4πr²

A = 4 × 3.14 × 11.5²

A = 4× 3.14 × 132.25

A = 1661.06 cm²

Thus, 1661.06 cm² of synthetic leather needed to cover the ball.

6 0
2 years ago
HELP ASAP:
tekilochka [14]

Answer:

Here's how I would do it.  

Step-by-step explanation:

If two triangles are similar, corresponding sides are in the same ratio.

We know the measures of b and a, so we can calculate the ratio b/a.

d and b are in the same ratio, so

\begin{array}{rcl}\dfrac{d}{c}& = & \dfrac{b}{a}\\d & = & c \times \dfrac{b}{a}\\\end{array}

We know the measures of c, b, and a, so we can calculate the value of d.

5 0
3 years ago
Write x^5 • x^7 as a single exponential expression
Aleks [24]
Answer: x^12
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4 0
2 years ago
7(1 - 2n) &lt; 33 - n<br><br>solve the inequality <br>show work <br>​
Mashcka [7]

Answer:

n > -2

Step-by-step explanation:

7(1 - 2n) < 33 - n

7 - 14n < 33 - n

Subtract 7

-14n < 26 - n

Add n

-13n < 26

Divide by -13

n > -2

8 0
2 years ago
Read 2 more answers
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