Answer:
x=7
Step-by-step explanation:
ln x +ln(x+1)=ln 56
ln x(x+1)=ln 56
so x(x+1)=56
x^2+x-56=0
(x+8)(x-7)=0
x= -8 or x=7
and lnx,x>0
so x=7
Answer:
(4x+2)+(2x+3)=6x+5
Step-by-step explanation:
(4x+___)+(2x+3)=6x+5
4x+2x=6x
5-3=?
5-3=2
2
Answer:
About 62.1371
Step-by-step explanation:
Okay this equation really says is what is 30% of 248.
So, lets convert 30% to a fraction, 3/10 which is easier to work with.
All you have to do now is get out a calculator and do 248 *3/10 (or .3) and get 74.4
So subtract 74.4 and get
173.6
