The two variables present here would be the value of the car, and the time is depreciates for. Time is the independent variable, because it is not affected by the value of car. Since the value of the car is a function of the time, therefore, it is the dependent variable.
Answer:

Step-by-step explanation:
I am assuming that the functions are:

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Hope this helps you!
Answer:2.23607
Step-by-step explanation:
\sqrt{5} (cos(0) + i × sin (0))
\sqrt{5} (cos(π) + i × sin (π))
(I) $ 846
(II) 157.64 cm²
Step-by-step explanation:
(I)
The area of the rectangle is;
720 * 500 = 360,000
10,000 m2 = 1 hectare
Therefore to convert the area to hectare;
360,000 / 10,000
= 36
If the cost of spraying the pesticide is $23.50 per hectare, then total cost is;
36 * 23.50
= 846
(II)
To find the area of the trapezoid;
(sum of the parallel sides * height) / 2
Height is the diameter of the circle – 21 cm
((19 + 29)*21) / 2
= 504
Then the area of the circle;
πr²
π * (21/2)²
= 346.36
The shaded area;
Area of the trapezoid – area of the circle
504 – 346.36
= 157.64
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Answer:
Value of x is 2
Step-by-step explanation:
Given
BD = 6
DA = 4
BE = 
EC = x
Also segment DE is parallel to segment AC
∴ By using Midpoint theorem which states

Putting the given data in above equation we get
