Answer:
(b) 
Step-by-step explanation:
Given: Cost of car is 
Sales tax is 
The license and title charges are 
To find: The amount that the credit union will finance.
Solution:
We have,
Cost of car
Sales tax is of
Therefore,
sales tax 
The license and title charges 
Now, the amount that the credit union will finance is
cost of car
sales taxthe license and title charges
Hence, the amount that the credit union will finance is .
So, (b) is correct.
Answer:
To solve an exponential equation, take the log of both sides, and solve for the variable.
Step-by-step explanation:
Example 1: Solve for x in the equation tex2html_wrap_inline119 .
Solution:
Step 1: Take the natural log of both sides:
displaymath121
Step 2: Simplify the left side of the above equation using Logarithmic Rule 3:
displaymath123
Step 3: Simplify the left side of the above equation: Since Ln(e)=1, the equation reads
displaymath127
Ln(80) is the exact answer and x=4.38202663467 is an approximate answer because we have rounded the value of Ln(80)..
Check: Check your answer in the original equation.
displaymath131
Answer:
15 meters
Step-by-step explanation:
................
Answer:
57 kilometers a day.
Step-by-step explanation:
I just divided 513 by 9 and got that.
