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OlgaM077 [116]
2 years ago
9

How to find area of a circle.

Mathematics
1 answer:
hjlf2 years ago
8 0

Answer:

A rea of a Circle = π × r²

Step-by-step explanation:

The area of a circle formula is A = π × r² where r is the radius.

Remember that the radius might not be given but the radius is half of the diameter.

For π use the calculator value or use 3.14.

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A=2,b=1 and c=4.What is 3ac-a+2b
kati45 [8]

Step-by-step explanation:

a = 2

b = 1

c = 4

<h2>Question:</h2>

3ac - a + 2b

= Solution ,

= 3 × 2 × 4 - 2 + 2 × 1

= 24 - 2 + 2

= 24 + 2 - 2

= 26 - 2

= 24

hence the answer is 24....

6 0
2 years ago
What is the measure of arc BC?
Artist 52 [7]

9514 1404 393

Answer:

  100°

Step-by-step explanation:

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5 0
2 years ago
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natulia [17]
8/185 = 4.3 % 
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100-4 = 96%
3 0
3 years ago
Read 2 more answers
How do you work out (7x+3)(7x-3)
spin [16.1K]

We can solve this using the FOIL method.

= (7x + 3)(7x - 3)

= (7x * 7x) + (7x * -3) + (3 * 7x) + (3 * -3)

= 49x - 21x + 21x - 9

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Hope This Helped! Good Luck!

7 0
2 years ago
The differences between a number and 12 is 20
Alika [10]
X-12=20
x=20+12
x=32

answer is 32
3 0
3 years ago
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