Answer:
Approximately
7.5
hours
Step-by-step explanation:
Explanation:
We are trying to determine the value of
h
in the compound growth formula
XXX
20
×
(
1
+
0.85
)
=
2000
or, simplified:
1.85
100
Taking the
log
of both sides:
With the aid of my trusty spreadsheet:
≈
7.48582192
1.(D)
2.(A)
3.(C)
4.(B)
Answer:a
6x+3x= -2
9x= -2
x= -2/9