10% is 7 dollars so 20% is 14 and have of 7 is 3.5 so it's 17.50
30/7 +30/7=60/7
60/7-22/7=38/7
59/7 -38/7=21/7
21/7 -19/7=2/7
Answer:
Given f(-2)
= -5 -7(-2)
= -5+14
= 9
Thus f(-2) of f(x)= 5-7x is 9
The depreciation of the car is $12,600.
The cost of the car per mile is $0.28
<h3>What is the depreciation of the car?</h3>
Depreciation is the decline in the value of an asset as a result of wear and tear.
Depreciation = cost of the asset - value of the asset now
$24,890 - $12,290 = $12600
<h3>What is the cost per mile?</h3>
Cost per mile = total cost / total mile
($2,805.60 + $1,870.40) / 16700 = $0.28
To learn more about depreciation, please check: brainly.com/question/25552427
The square root of -18 is 3i√
2
Hope this helps