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Good at math? Help.

Soo I don't understand my sisters homework that she doesn't understand.

So here are the questions

Whats the G.C.F
OF...

54,36

4,20,24

16,42

24,36

77,15

90,120

12,62

21,28

15,20,25

32,48,64

28,56,42

AND

9,25,49




You do not have to answer all these questions. If you answer the most questions with the most amount correct you will get chosen for th best answer. I did most of these questions, I'm just making sure I did it right.

2006-10-24 14:34:18 · 5 answers · asked by horselover33470 1 in Education & Reference Homework Help

And say I put 54,67,89 there all seperate numbers

so its 54 67 and 89

2006-10-24 14:41:43 · update #1

5 answers

54, 36| 2
27, 18| 3
9, 6| 3
3, 2

gfc = 2*3*3 = 18

4,20,24|2
2,10,12|2
1, 5, 6

gfc = 2*2 = 4

16,42|2
8,21

gfc = 2


24,36|2
12,18|2
6, 9|3
2, 3

gfc = 2*2*3 = 6

77,15

gfc = 1

90,120|2
45, 60|5
9, 12|3
3, 4

gfc = 2*5*3 = 30

12,62|2
6,31

gfc = 2

21,28|7
3, 4

gfc = 7

15,20,25|5
3, 4, 5

gfc = 5

32,48,64|2
16,24,32|2
8,12,16|2
4, 6, 8|2
2 , 3, 4

gcf = 2*2*2*2 = 16

28,56,42|2
14,28,21|7
2, 4, 3

gcf = 2*7 = 14

AND

9,25,49

gcf = 1

2.


gfc = 4

2006-10-24 14:47:23 · answer #1 · answered by alexandrobilan 2 · 0 0

GCF of 54 and 36= 18

GCF of 4,20,24= 4

16, 42= 2

24,36=12

77,15= 1

90,120= 30

12,62= 2

21,28= 7

15,20,25= 5

32,48,64= 16

28,56,42= 14

9,25,49= 1

2006-10-24 14:52:38 · answer #2 · answered by i.am_bru 1 · 0 0

54,36=18

4,20,24=4

16,42=2

24,36=12

77,15=1

90,120=30

12,62=2

21,28=7

15,20,25=5

32,48,64=16

28,56,42=14

AND

9,25,49=1

hope this helps

2006-10-24 14:43:04 · answer #3 · answered by junm 2 · 0 0

18
4
2
12
1
30
2
7
5
16
14
1

2006-10-24 14:45:10 · answer #4 · answered by feanor 7 · 0 0

huh?

2006-10-24 14:37:16 · answer #5 · answered by Anonymous · 0 0

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