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ivanzaharov [21]
2 years ago
14

Help me!!!!!!!!!!! Help help help

Mathematics
1 answer:
kakasveta [241]2 years ago
8 0

Answer:

5 × \frac{1}{100}

Step-by-step explanation:

4*100+2*10+3*1+6*\frac{1}{10}+x+9*\frac{1}{1000}=423.659\\4*100+2*10+3*1+6*0.1+x+9*0.001=423.659\\400+20+3+0.6+x+0.009=423.659\\423.609+x=423.659\\x=0.05\\\\50*\frac{1}{10}=5\\\\5*\frac{1}{100}=0.05\\\\50=50\\\\5*0.05=0.25

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Answer:

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Step-by-step explanation:

1. n^2 - 49 = 0

n^2 =49

n= \sqrt{49}

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