Answer:136 months
Step-by-step explanation:
Rewrite equation so that it is homogeneous .

Solve characteristic equation:
The solutions to the homogeneous equation are:

Finally you need the constant term in "cy" to equal 'd' to satisfy the particular solution.
Answer:
x = 0
Step-by-step explanation:

Expanding the left hand side we get

Taking 6 from left hand side to right hand side

Dividing both sides by 2

So, x = 0
Answer:
x=4
Step-by-step explanation:
12x=48
12x/12 =48/12
x=4
Answer:
0.39
Step-by-step explanation:
39/100=0.39
%=100