The area of this rectangle is x*y. But, this problem requires that you represent the variable "y" in terms of "x" only.
A hint here is that the variable "y" represent a point on the line that connects the end points (0,b) and (a,0).
The first step to solve this problem is to get the expression of this line.
The slope of this line is: m = (0 - b)/(a - 0) = -b/a
Because the point (x,y) is on this line we have: y - b = m(x - 0)
y = (-b/a)x + b
Solution: Area of the rectangle = x*y = x*((-b/a)x + b) = (-b/a)x2 +bx
Answer:
$25,600
Step-by-step explanation:
- Given: P = $50,000, r = 20% & t = 3 years
- Formula for depreciation is given as:
- Plugging the values of P, r and t in the above formula, we find:
- So, after third year it will be worth by $25,600.
Points named by variables.
Answer:
this is because a quadrilateral is a four sided polygon.
and this means square and rectangle are quadrilaterals.
