Answer:
Look it up on google, you might find that there. that stuff is hard
Step-by-step explanation:
Answer:
18/48=20/50 is wrong
Step-by-step explanation:
Because 18/48=37.5% and 20/50=40%
Hope it helps
<span> half life i= 78 hours
amount after 78 hours is 395 kg:
395 = 790e^(k*78)
Dividing by 790 and taking natural log
ln (395/790) = (k*78)
-0.6931 = 78k
-0.00888 = k
lets calculate how much is left after 18 hours:
Amount(18)
= 790e^(-0.00888*18)
Amount = 673.301 kg
hope this helps</span>
Answer:
b
Step-by-step explanation:
Answer:
2x+2
Step-by-step explanation:
of symbols, representing a value, o relation. example 2+2=4
