Answer:
Step-by-step explanation:
I think x=-2
Answer:
The question is incomplete, the complete question is "Changing Bases to Evaluate Logarithms in Exercise, use the change-of-base formula and a calculator to evaluate the logarithm. See Example 9.
.

Step-by-step explanation:
From the general properties or laws of logarithm, we have the

where both log are now express in the natural logarithm base.
i.e 
hence we can express our
.
the value of ln7 is 1.9459 and ln4 is 1.3863
Hence
.

Answer:
The report is 960 words long.
Step-by-step explanation:
The handwritten book report is 4 pages long and the typed report is 3 pages long.
Now, it is given that typing at a steady rate of 20 words per minute, it takes 48 minutes to enter the report into soft copy.
So, the required number of words of the report is (20 × 48) = 960 words.
Hence, the report is 960 words long. (Answer)
Answer with explanation:
3:1 means that person 1's income is three times person 2's income.
E.g.: if person 1 gets 150 per hour, person 2 gets 30 per hour.
1:3 means that person 1's income is one third of person 2's income.
E.g.: if person 1 gets 40 per hour, person 2 gets 120 per hour.
Step-by-step explanation:
p(R)=18/48 is the probability of the question