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ivann1987 [24]
3 years ago
6

Find the missing number ____:7 = 12:21 A) 3 B) 14 C) 4 D) 12

Mathematics
2 answers:
LUCKY_DIMON [66]3 years ago
6 0
I hope this helps and i hope wecan be  great  friends!!!!! and corrrect me if wrong but i think its A!!!!!!!!
   
   
     
    
   
        ~ 12 year old kakashi hatake














Maurinko [17]3 years ago
3 0
4:7
3×4:7×3
12:21

The answer is <span>C) 4</span>
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3 years ago
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Advocard [28]

Answer:

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The Richter scale is used for measuring the magnitude of an earthquake. The Richter magnitude is given R = 0.67log(0.37E) + 1.46
natka813 [3]

Answer:

7.9982

Step-by-step explanation:

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R = 0.67\ log(0.37E) + 1.46,\ \  E=15,500,000,000  \ kwh\\\\\therefore R=0.67 \ log(0.37\times 15,500,000,000)+1.46\\\\\\=7.9982

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7 0
3 years ago
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