
This is known as the "change of base" formula. The ratio is equivalent to the log of the numerator argument to the base of the denominator argument.
Answer:

Step-by-step explanation:
For the given equation :
Making the coefficients of x to L.H.S


Taking 3 as common from the above equation
Splitting the equation to make factors

Taking common from the equation:

Equating 'x' to zero

Answer: 23
Step-by-step explanation:
Answer:
~5 feet.
Step-by-step explanation:
assuming that it is a right triangle. if a=5 and c=7 then b the other leg is equal to the square root of c squared minus a squared. which equals about 4.9