Answer:
x=7
Step-by-step explanation:
ln(x)+ln(x-3)=ln(4x)
x≥0,x≥3
combining x≥3
ln[x(x-3)]=ln(4x)
x(x-3)=4x
x²-3x-4x=0
x²-7x=0
x(x-7)=0
x=0(rejected),7
Answer and Step-by-step explanation:



θ
pi r 



1500m=1.5km so 1500 divided by 10= 150s it takes 150s to cover a distance of 1.5km
Answer:
Algebra
Step-by-step explanation:
Answer:
10
Step-by-step explanation: