Answer:
13.22
Step-by-step explanation:
were solving for t and we know:
a(t)=p(1+(r/n))^nt
5000=a-the total
2940=p-the starting amount
.041=r-the rate
1=n-compound (annual)
plug this into a graph :
5000=2940(1+(.041/1))^x
and you get : 13.22
The statement suppose <span>that r varies directly with s and inversely with t is best represented as:
r </span>α s/t
To make it into equality, we insert a proportionality constant, k:
r = ks/t
Using the initial conditions, we solve for k.
r = ks/t
<span>r = 2 when s = 3 and t = 12
2 = k(3)/12
k = 8
Thus, when </span><span>s = 5 and t = 4,
</span>
r = 8(5)/4
r = 10 -----> OPTION C
1/4 saved, 3/4
1/3 of the rest (4/4-1/4=3/4, 3/4=rest)
1/3 of 3/4=3/12=1/4
saved=1/4
spent on t-shirt=1/4
CD=?
1/4+1/4+?=4/4
2/4+?=4/4
minus 2/4
?=2/4
?=1/2
spent 1/2 on CDs
