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vova2212 [387]
2 years ago
7

5)

Mathematics
1 answer:
notsponge [240]2 years ago
4 0

Answer:

fff

Step-by-step explanation:

bbb

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Trina has $1000 to purchase an open-top cylindrical dog pen in her backyard. She wants the height of the pen to be 5 feet. If th
RideAnS [48]

Answer:

C. 31.83 feet.

Step-by-step explanation:

We have been given that Trina has $1000 to purchase an open-top cylindrical dog pen in her backyard. She wants the height of the pen to be 5 feet.

First of all, we will find the surface area of dog pen using surface area of cylinder.

\text{Surface area of cylinder}=2\pi rh,where,

r = Radius of cylinder,

h = Height of cylinder.

\text{Surface area of cylinder}=2\pi r*5

\text{Surface area of cylinder}=10\pi r

Since the area of each square foot of pen costs $1, so in $1000 Trina can cover an area of 1000 square feet.

Now, we will set the surface area of cylinder equal to 1000 to solve for the radius.

1000=10\pi r

Upon dividing both sides of our equation by 10 pi we will get,

\frac{1000}{10\pi}=\frac{10\pi r}{10\pi}

31.8309886=r

r\approx 31.83

Therefore, the radius of the dog pen is 31.83 feet and option C is the correct choice.

4 0
3 years ago
24 is 25% of what number
mel-nik [20]
Let x be the mystery number
25% = 0.25

So, 24/x = 0.25 
Now, we have to rearrange the equation to get:
x = 24/0.25 = 96

Don't hesitate to ask any further questions!
Hope I helped! xx
4 0
2 years ago
Read 2 more answers
Only 6. Please and thanks
salantis [7]

Answer:

Part a) 7.536\ m

Part b) \$34.14

Step-by-step explanation:

Part 6)

a) How much edging is needed?

we know that

To find out how much edging is needed determine the circumference of the circular garden

The circumference of the circular garden is equal to

C=\pi D

where

D is the diameter

we have

D=2.4\ m

assume

\pi =3.14

substitute

C=(3.14)(2.4)

C=7.536\ m

Part b) we know that

To find out the cost to edge the garden, multiply the length of edging plastic needed by the cost of $4.53 per meter

so

(7.536\ m)(4.53\ \$/m)=\$34.14

8 0
3 years ago
PLEASE HELPPPPPPPPPPPPPPPP AREA AND CIRCUMFERENCE OF A CIRCLE
AnnyKZ [126]

Answer:

Area:  200.96 cm

Circumference:  50.24 cm

Explanation: I recently just learned this.  The area of a circle is Pi times radius squared which makes.  3.14 x 8^2 = 3.14 x 64 = 200.96.  SInce none of the original measurements are squared it will be    200.96 cm

The circumference of a circle is diameter times pi which makes  3.14 x (8 x 2) = 3.14 x 16 = 50.24.  Since none of the original measurements are squared it will be 50.24 cm

I hope this helps!  pls mark brainliest if it helps!

4 0
3 years ago
Read 2 more answers
93 is what percent of 186?
ra1l [238]

Answer:

50%

Step-by-step explanation:

93/186=.5

.5*100=50%

4 0
3 years ago
Read 2 more answers
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