Here you go, hope it helps:)
7978 years
Step-by-step explanation:
A = A02^(-t/hl)
where hl = half-life.
Dividing both sides by A0 and taking the logarithm, we get
ln(A/A0) = -(t/hl)ln2
or solving for t,
t= -(hl)ln(A/A0)/ln2
note that A/A0 = 0.38
t = -(5715 yrs)[ln(0.38)/ln2]
= 7978 years
Answer:
A. $105
Step-by-step explanation:
Given
total charge= $700 per concert
<u>solution</u>
If Fredrick receives $175 of that money, the balance will be
$700-$175= $525
The balance will be shared by the 5 members
<em>Hence each of them will take</em>
525/5=$105
Answer:
15 miles
Step-by-step explanation:
10x1.5=15
Answer: x=27
Step-by-step explanation:
