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NARA [144]
3 years ago
8

A circle has circumference 32 cm. What is the area of the​ circle? Use 3.14 for .

Mathematics
1 answer:
Pepsi [2]3 years ago
3 0

Answer:

81.67cm² to 2d.p

Step-by-step explanation:

32cm=2πr

32/2π=r

r=32/6.28

=5.0955

area=πr²

=3.14×5.1²

=81.67

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Step-by-step explanation:

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1. a baker had 10 sacks containing the following amounts of flour: 4 1/2 kg , 31/4 kg ,2 1/2 kg ,2 1/2 kg , 4 kg ,3 1/4 kg ,4 1/
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The cost of a ticket to the circus is $14.00 for children and $32.00 for adults. On a certain day, attendance at the circus was
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400 children and 600 adults bought tickets.

Step-by-step explanation:

Given,

Cost of one child ticket = $14

Cost of one adult ticket = $32

Total attendance = 1000

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Let,

x be the number of children.

y be the number of adults.

According to given statement;

x+y=1000   Eqn 1

14x+32y=24800   Eqn 2

Multiplying Eqn 1 by 14

14(x+y=1000)\\14x+14y=14000\ \ \ Eqn\ 3

Subtracting Eqn 3 from Eqn 2

(14x+32y)-(14x+14y)=24800-14000\\14x+32y-14x-14y=10800\\18y=10800\\

Dividing both sides by 18

\frac{18y}{18}=\frac{10800}{18}\\y=600

Putting y=800 in Eqn 1

x+600=1000\\x=1000-600\\x=400

400 children and 600 adults bought tickets.

Keywords: linear equations, subtraction

Learn more about subtraction at:

  • brainly.com/question/547255
  • brainly.com/question/545947

#LearnwithBrainly

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3 years ago
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4 years ago
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What is 600 minus 258?
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342

Step-by-step explanation:

3 0
3 years ago
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