2 years ago

New math question! (screenshot attached)

Mathematics

2 answers:

Virty [35]2 years ago

4 0

Answer:

the answer would be D like the other person said.

Lyrx [107]2 years ago

3 0

Answer:

Step-by-step explanation:

hi again

because the cornets show that -4 and -2 are also by -4 and -6 so that would =x+1 and x-5

hope this helps have a good day

love, The chris mac

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The half-life of carbon-14 is 5,730 years. How many grams of parent material will remain from a 120-gram sample of carbon-14 aft

alex41 [277]

$t_{\frac{1}{2}}=5730\\
N_0=120\ g\\
t=2t_{\frac{1}{2}}=2\cdot5730=11460\\
N(t)=?\\\\
N(t)=N_0\left(\frac{1}{2}\right)^{\frac{t}{t_{\frac{1}{2}}}}\\
N(11460)=120\cdot\left(\frac{1}{2}\right)^{\frac{11460}{5730}}\\
N(11460)=120\cdot\left(\frac{1}{2}\right)^2\\
N(11460)=120\cdot\frac{1}{4}\\
N(11460)=30\ g$