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Svetradugi [14.3K]
4 years ago
8

A contractor is building a circular swimming pool. The radius of the circle 12 feet. He needs to know the circumference in order

to buy tile to put around the edge of the pool.
What is the circumference if he uses =22/7 ?
Mathematics
1 answer:
choli [55]4 years ago
4 0
The circumfence is <span>75.3</span><span>
2*pi*radius</span>
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Nadia drew a design for a copper wire sculpture as shown above.She plans to make a wire frame that includes the perimeter of the
Step2247 [10]

Answer:

She does not have enough wire.

Step-by-step explanation:

The complete question included a design for her sculpture. It is a circle inscribe in a square and the length of the square is 9 inches. The picture above describe the design.

She has in possession a 5 ft of copper to construct a circle inscribe in a square.

The square is 9 inch length.

Perimeter of the square = 4L

where

L = length

Perimeter of the square = 4 × 9

Perimeter of the square = 36 inches

Circumference of a circle = 2πr

r = diameter/2 = 9/2 = 4.5 inches

Circumference of a circle = 2 × π × 4.5

Circumference of a circle = 2 × 4.5 × 3.14

Circumference of a circle = 9 × 3.14

Circumference of a circle = 28.26 inches.

The sculpture will consume 36 inches for the square and 28.26 inches for the circle. The total length for the sculpture will be 36 + 28.26 = 64.26 inches.

She has 5 ft copper for the sculpture . Let us covert the inches to ft to know if the copper wire is enough.

12 inches = 1 foot

64.26 inches = ?

cross multiply

wire required for the sculpture = 64.26/12

wire required for the sculpture = 5.355 ft

She does not have enough wire.

5 0
4 years ago
Which of the following
Black_prince [1.1K]

Answer:

Step-by-step explanation:

-12 = 3/4n + 8....subtract 8 from both sides

-12 - 8 = 3/4n

-20 = 3/4n.....multiply both sides by 4/3, cancelling the 3/4 on the right

-20 (4/3) = n

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ur answer is A

4 0
4 years ago
A person who weighs 50kg on earth would only weigh 8.27 kg on the moon.What is the weight of the same person in grams on the moo
svlad2 [7]

Answer: 8270

Step-by-step explanation: 1kg=1000 grams

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3 years ago
ANSWER FAST PLEASE WHORVER IS FIRST GETS BRAINLIEST
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Answer:-3/5

Step-by-step explanation:

rise/run

8 0
3 years ago
Solve for n 6/n-5=2/7.
ra1l [238]

Answer:

42/37

Step-by-step explanation:

42/n - 35 = 2  Multiply everything by 7 to get rid of the fraction

42 - 35n = 2n Multiply everything by n

42 = 37n Move 35n to the right side

42/37 = n Divide by 37  

5 0
4 years ago
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