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AfilCa [17]
3 years ago
9

Why do fractions need to have a common denominator before you add or subtract them?

Mathematics
1 answer:
djyliett [7]3 years ago
5 0
Fractions need common denominator to add or subtract them because without denominators a fraction is not a fraction, it is a whole number
Example - 2/8 is a fraction
                but 2 is not a fraction
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Find the geometric mean between 8 and 18. Write answer as a simplified radical. No Decimals!!!!
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Answer: Therefore, the geometric mean of 8 and 18 is 12. Therefore, the geometric mean of 8 and 18 is 12.

Step-by-step explanation:

4 0
3 years ago
I came up with 4 let me know if that's right
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3 years ago
Can someone help pls
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6 0
2 years ago
Which is greater than or less than
poizon [28]

Answer:

 C. -2/3 < -0.8

 F. -3/5 < -0.35

Therefor, -2/3 is less than -0.8.

And, -3/5 is also less than -0.35.

Also, you could turn the fractions into decimals to make your life easier for example, -3/5 into decimal form is -0.6.

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3 0
3 years ago
2. solve 4w − 7k = 28 for k. show your work
NISA [10]
4w-7k=28
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k=4/7w-4

:)
5 0
3 years ago
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