Both the numerator and the denominator of 21 /24 can be divided by _____. 2 3 4 6
Question
Asked 10/2/2012 5:27:57 PM
Updated 2/11/2015 5:32:51 AM
Flagged by janezeshun [2/11/2015 5:32:51 AM]
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Original conversation
User: Both the numerator and the denominator of 21 /24 can be divided by _____. 2 3 4 6

User: The following is the prime factorization of which composite number? 22 · 32 · 5 20 60 120 180

User: The number 420 is divisible by all of the following except _____. 3 9 12 30

User: The number 420 is divisible by all of the following except _____. A.3 B.9 C.12 D.30

Question
Asked 10/2/2012 5:27:57 PM
Updated 2/11/2015 5:32:51 AM
Flagged by janezeshun [2/11/2015 5:32:51 AM]
Rating
3
Both the numerator and the denominator of 21 /24 can be divided by 3 .
21/14
= 3*7/3*8
= 7/8
Added 2/11/2015 5:29:48 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [2/11/2015 5:39:54 AM]
3
The following is the prime factorization of 180 composite number 2^2 · 3^2 · 5 .
2^2*3^2*5
= 4*9*5
= 180
Added 2/11/2015 5:31:13 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [2/11/2015 5:40:34 AM]
3
The number 420 is divisible by all of the following except 9 .
420/3 = 140
420/12 = 35
420/30 = 14
Added 2/11/2015 5:32:49 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [2/11/2015 5:45:20 AM]

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