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pychu [463]
3 years ago
7

Help me tell me the answers

Mathematics
2 answers:
zloy xaker [14]3 years ago
7 0
A. X= n+17
b. x=8xP
c. n^6
d. Q x 5/8
Sergeeva-Olga [200]3 years ago
6 0
2.(a) 17n
(b) 8p
(c) n^6 (they wrote e instead of c lol)
(d) sorry idk
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A=P(\frac{1}{2})^\frac{t}{h}

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so
given
we want 5% left
so A=5% of P or 5/100 of P or 1/20 of P or 0.05P

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so
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divide bth sides by P
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take ln of both sides
ln(0.05)=ln(\frac{1}{2})^\frac{t}{4.6}
ln(0.05)=(\frac{t}{4.6})ln(\frac{1}{2})
ln(0.05)=(\frac{t}{4.6})ln(\frac{1}{2})
divide both sides by ln(\frac{1}{2})
\frac{ln(0.05)}{ln(\frac{1}{2})}=\frac{t}{4.6}
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19.889t
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