To find the area of a rectangle, you multiply the width and length together. in this they give you the area of it and the width so to find the length, you just divide 7776 by 81 to find it.
7776 ÷ 81 = 96.
so the length is 96. hope this helps, God bless!
Answer:
10
Step-by-step explanation:
Given
f(x) = x + 4 ← substitute x = 9
f(9) = × 9 + 4
= 2 × 3 + 4
= 6 + 4
= 10
It can be anything. If you are talking about math
Answer:
<em>The value of the car after 4 years is $18,000</em>
Step-by-step explanation:
<u>Formulas</u>
The model used to compute the present value of an item that depreciates yearly is
Where v is the present value, c is the original cost, r is the rate of depreciation per year, and t is the number of years that have passed.
We are required to find the value of a car originally costing c=$30,000 that depreciated at a rate of r=0.1 per year after t= 4 years
We plug in the given data
The value of the car after 4 years is $18,000