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kakasveta [241]
2 years ago
5

George is building a fence. He builds his fence at a constant rate of 1/3 section of fence every 1/2 hour. At this rate, what fr

action represents the section of fence George can build per hour?
Mathematics
1 answer:
GarryVolchara [31]2 years ago
8 0
Answer: George can make 2/3 section of fence an hour.

Explanation: If george can make 1/3 section every half hour than he can make double 1/3 every hour.

1/3 + 1/3 = 2/3

He can make 2/3 every hour.
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For a circle with a radius of 15 cm, what is the length of an arc intercepted by an angle measuring 120°?
slega [8]

Answer: 31.43 cm

Step-by-step explanation:

The length of an arc  is calculated using the formula:

\frac{theta}{360} X 2\pir

where : theta is the angle in degree

r = radius

If the angle is given in Radian , the length can be calculated using the formula:

L = r∅

Since , the angle is given in degree , we will use the first formula.

L = \frac{theta}{360} X 2\pir

L = \frac{120}{360} X 2 X π X 15

L = \frac{1}{3} X 2 X \frac{22}{7} X 15

L = \frac{660}{21}

L = 31.42857143

L ≈ 31.43 cm

5 0
3 years ago
A man buys a jacket birr 300 before VAT what is the VAT and the total cost?​
Novosadov [1.4K]
  • Base price=300
  • Let VAT be x%

Now

  • Total VAT=0.x(300)

Total cost:-

  • 300+300(0.x)
7 0
2 years ago
Six friends, four boys and two girls, went to a movie theater. They wanted to sit in a way so no girl sits on either first or la
mel-nik [20]

Answer:

120 ways

Step-by-step explanation:

Since no girl wil sit either first or last

Hence, in all irrespective whether boy or girl = (6 - 1)! = 5! = 5 X 4 X 3 X 2 = 120

∴ Number of arrangements = 120 ways

8 0
3 years ago
-3(5z 24) 2=2(3-2z)-4
zhenek [66]

Answer:

−

364 z + 10

Step-by-step explanation:

5 0
3 years ago
Sandra bought 120 square feet of carpet for a room in her new house. If the room is square, what is the length of each side of t
BARSIC [14]
Answer:
length of each side of the room is 2√30 which is approximately 10.9545 ft

Explanation:
The area of the square can be computed as follows:
Area = l²
where l is the length of the side

We are given that:
area = 120 ft²

Substitute with the area in the above equation and solve for l as follows:
area = l²
120 = l²
l = √120
l = 2√30 ft
This is approximately equal to 10.9545 ft

Hope this helps :)
3 0
3 years ago
Read 2 more answers
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