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tatiiiee
29.01.2020 •
Mathematics
Whats the error? jonah says a common denominator for 3/4 and 2/5 is 9 whats the error. whats the answer
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Ответ:
4,8,12,16,20,24,28,32,36,40
5,10,15,20,25,30,35,40,45,50
As you can tell 3/4 and 2/5 common denominator could be 20, 40 and many more but the more reasonable denominator would be 20.
3 times 5 = 15 2 times 4= 8
- -
4 times 5 = 20 5 rimes 4=20
You have to multiply the numerator the same number that you multiplied it with the denominator to get 20
Ответ:
the answer is X/20
Hope I helped! ;-)
Ответ:
Step-by-step explanation:
Area = l × b
= 9ft × 8ft
= 72ft²