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IrinaVladis [17]
3 years ago
14

Find the circumference of each circle. Use 3.14 or 22/7 for T. Round to the

Mathematics
1 answer:
Ludmilka [50]3 years ago
6 0

Answer:

4. Circumference = diameter × π

8× 3. 14= 25. 12 ~25. 1

5. 13×3. 14= 40. 82 ~40. 8

6. Diameter= radius ×2

3. 5×2=7

Diameter = 7

7× 3. 14= 21. 98 ~22

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Can someone please explain to me how to solve a problem like:
Nadya [2.5K]
27x + 9 
------------
     3

Break down the fraction. 3 is the common denominator, so it is the denominator of both numerators.

27x/3 + 9/3 = 0
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Or simply multiply the fraction with 3/1 to remove the denominator, which is 3.

27x + 9         3            27x + 9
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To check: Substitute x by its value: 
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3 years ago
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