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lapo4ka [179]
4 years ago
11

Twice one number is 15 less than a second number. when 13 is added to the second number,the result is 7 less than 9 times the fi

rst number
Mathematics
1 answer:
inna [77]4 years ago
8 0
Anwser is 15 beacuse i got the anwser right now

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Can some one help me ??? Anyone ?
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Convert 221 quinary number into decimal number.​
aleksley [76]

Step-by-step explanation:

<h2>______________________</h2>

( First of all to convert quinary to decimal we need to multiply them by 5 )

So let's solve now.....

= 221

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= 2 × 5² + 2 × 5¹ + 1 × 5⁰

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= 2 × 25 + 2 × 5 + 1 × 1

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<h2>______________________</h2>

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<h2>______________________</h2>
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Sorry, I can't do a graph on here for you.
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