Answer:
When solving, you will get a false statement, and therefore there is no solution.
Step-by-step explanation:
Let's try to solve the system of equations. In this case, I used the substitution method and substituted 4x + 5 for the y in y = 4x-2:
In trying to combine the terms with the variable x, the 4x on both sides canceled themselves out, leaving me with 5 = -2. That is a false statement, as 5 does not equal -2. Therefore, since we cannot reach a solution, there is none.
The answer is $160. All you have to do is add it up
B(t) = 4*e^0.8t
remember that ln(e)=1 and log(a^b)=b(log(a))
solve for value of t such that B(t)=100
so
100=4*e^0.8t
divide both sides by 4
25=e^0.8t
take ln of both sides
ln(25)=ln(e^0.8t)
ln(25)=0.8t(ln(e))
divide both sides by 0.8
ln(25)/0.8=t(1)
ln(25)/0.8=t
t=ln(25)/0.8
t≈4.02359
so about 4 years
answer is C
Answer:
40
Step-by-step explanation:
Divide 600 & 15
600/15=40
Answer:
6.48
Step-by-step explanation: