Answer: 5
Step-by-step explanation:
use formula a^2 + b^2 = c^2
a^2 + 12^2 = 13^2
a^2 + 144 = 169
- 144 -144
a^2 = 25
sqrt sqrt
a = sqrt (25)
a = 5
Answer:
6 hours
Step-by-step explanation:
6 inches burns at rate .8 inches in 1 hour
to be 1.2 inches has to burn 6 -1.2 = 4.8 inches of the candle
4.8 inches / .8 inches in 1 hour = 6 hours
I helped my friend pull out her tooth I asked for 20% of the money she got from the tooth fairy I'm and my friend were walking down the street I found a pile of pennies and my friend asked for 50% of the pennies because we found them together
Answer:
Deduction in the step-by-step explanation
Step-by-step explanation:
If a P0=50.000 deposit is compound every instant, the ammount in the account can be modeled as:
If you pull out d dollars a year, the equation becomes:
If we derive this equation in terms of t, we have
The first term can be transformed like this:
So replacing in the differential equation, we have
Rearranging