Answer:
True
Step-by-step explanation:
A system of equations can be solved by Translating the system of equations into a matrix by following theses steps
- list all coefficients in a single matrix
- multiply the coefficient matrix with the variables matrix
- enter answers into a new matrix
write out the resulting answer in form of equations.
Answer:
A)3
Step-by-step explanation:
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
