A farmer owns a rectangular-shaped farm. She knows that the length is 2 km longer than the width and the perimeter is 16 km. Find 'x', the width of her
farm.

x = 3

Step-by-step explanation:

x + x + x + 2 + x + 2 = 16 (combine like terms)

4x + 4 = 16 (subtract 4 from each side)

4x = 12 (divide each side by 4)

x = 3

Let's check:

(3 + 2) × 2 = 10

3 × 2 = 6

10 + 6 = 16

It works.

length= 5 km

Width=3 km

Step-by-step explanation:

Length=Width+2

L=W+2

Perimeter = 16 km

Perimeter of the rectangular field = 2(Length+Width)

Length(L)=Width+2= 3+2=5 km

length= 5 km

Width=3 km

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step-by-step explanation:

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correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,