Answer:
39+10=49
Step-by-step explanation:
I hope this helps you.
Find the equation of the inverse.

we have

step 1
Exchange the variables
x for y and y for x

step 2
Isolate the variable y

apply log both sides

step 3
Let

therefore
the inverse function is
Answer: 5.7 x 107
Step-by-step explanation:
Seven-thirty.
A half an hour past seven o'clock.
Answer:
the unit rate for miles per gallons = 
Step-by-step explanation:
Let x be the unit rate for miles per gallon.
Given:
Jack drove 43.5 miles. He used 11 gallons of gasoline.
Find the unit rate for miles per gallon?
Jack used 11 gallons of gasoline for 43.5 miles.
11 gallons = 43.5 miles
The unit rate for miles per gallon is
unit rate of gallons = total miles divided by total used gallons of gasoline

Therefore, the unit rate for miles per gallons is 3.95 miles.