Answer:
your answer is point D represent
Answer is 7
Step by step explanation
3x+159=180
3x=180-159=21
x=7
<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>
17/8 -11/3
51/24-88/24
-37/24 simplified is -1 13/24
She can type 4,800 words in one hour.
