simplifying
we get 
Step-by-step explanation:
We need to simplify: 
Solving:
Applying the rule:
log a + log b = log(ab)

So, simplifying
we get 
Keywords: Simplifying Logarithms
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Answer:
3.93700787402, almost 4
Step-by-step explanation:
10 ÷ 2.54
3 × 2.50 = 7.50
3 × 0.04 = 0.12
7.50 + 0.12 = 7.65
7.65 + 2.54 = 10.19
The precise number is use calculator.
Answer:
this equation has 1 answer
Step-by-step explanation:
x = 2
Answer:
20 km/h
Step-by-step explanation:
Let b represent the speed of the boat in km/h. Then the distance covered is ...
distance = speed × time
(b -2)(11) = (b +2)(9)
11b -22 = 9b +18 . . eliminate parentheses
2b = 40 . . . . . . . . add 22-9b
b = 20 . . . . . . . . . divide by 2
The speed of the boat is 20 km/h.