The hensons are fencing a rectangular portion of their lot. They decide to make the length 12 feet longer than the width. They can afford 240 feet of fencing. What should've the dimensions?

The dimensions should be 66 ft by 54 ft

Step-by-step explanation:

Let L represent the length of the rectangular lot.

Let W represent the width of the rectangular lot.

The formula for determining the perimeter of a rectangle is expressed as

Perimeter = 2(L + W)

They can afford 240 feet of fencing. This means that

2(L + W) = 240

Dividing through by 2, it becomes

L + W = 120 - - - - - - - - - - - -1

They decide to make the length 12 feet longer than the width.. This means that

L = W + 12

Substituting L = W + 12 into equation 1, it becomes

W + 12 + W = 120

2W + 12 = 120

2W = 120 - 12

2W = 108

W = 108/2

W = 54 feet

L = W + 12 = 54 + 12

L = 66 feet

10 you would take 50/ .2

step-by-step explanation:

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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