Answer:
4.5cm
Step-by-step explanation:
Circumference = 2r
28.3=2r
28.3/2=r
4.456
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2 answers:
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Answer:
5
Explanation:
1. Find a common denominator for the three fractions. A common denominator is a number all three numbers divide into evenly. The lowest common denominator for 4, 3, and 6 is 12.
2. Find the numerators. This can be done by multiplying the current numerators by however many times the old denominator goes into the new denominator.
4 goes into 12 3 times
3 goes into 12 4 times
6 goes into 12 2 times
1 x 3 = 3
2 x 4 = 8
1 x 6 = 6
So, the fractions become:
3. Add the numerators of the new fractions and keep the denominator the same.
4. Convert the improper fraction to a mixed number.
5. Finally, add the whole numbers.
1 + 4 = 5
