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amid [387]
3 years ago
9

If m<BDC = 20, m arc AB = 140, and marc CD = 120, find m<1.​

Mathematics
2 answers:
rosijanka [135]3 years ago
7 0

Answer:

60

Step-by-step explanation:

lara [203]3 years ago
4 0

Answer:

40

ljfldnjkafkjagfbkg bkj hbsfgjhg .

Step-by-step explanation:

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Which ratio is porportional to 18/21? A.2/3 B. 30/35 C. 36/48 D.1/3
defon
You can solve this problem by applying the proccedure below:
 
 You have:
 
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 18x3/21x2
 36≠42 (2/3 is not proportinal to 18/21).
 
 b)18/21=30/35
 18x35/21x30
 630=630  (30/35 is proportional to 18/21)
 
 c)18/21=36/48
 18x48/21x36
 864≠756  (36/48<span> is</span><span> not proportinal to 18/21)
</span> 
 d)18/21=1/3
 18x3/21x1
 54≠21  (<span> 1/3 is</span><span> not proportinal to 18/21)
</span> 
 Therefore, you can conclude that the correct option is: B.30/35
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