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pishuonlain [190]
3 years ago
8

Can someone help me with this

Mathematics
2 answers:
Nuetrik [128]3 years ago
4 0
The equation is 3(x+8)=66
Solving you get 14
Olenka [21]3 years ago
4 0
They are 3(x+8)=66, but also 3x+24=66, since they mean the same (Answer equals 14)
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\bf \textit{Amount for Exponential Decay using Half-Life} \\\\ A=P\left( \frac{1}{2} \right)^{\frac{t}{h}}\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{initial amount}\dotfill &1000\\ t=\textit{elapsed time}\dotfill &12\\ h=\textit{half-life}\dotfill &5 \end{cases} \\\\\\ A=1000\left( \frac{1}{2} \right)^{\frac{12}{5}}\implies A\approx 1000\cdot 0.189\implies A\approx 189

8 0
4 years ago
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3 0
3 years ago
If a=12 and 120% of a is equal to 80% of b then what is a+b
mojhsa [17]
A=12
120% of a =80% of b
120%a = 80%b
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But a=12
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18 = b
b = 18

a+b = 12 + 18 = 30
8 0
3 years ago
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