8. If the length of a rectangle is (5x+6) units & the breadth is(4x+6) units then for what value of the perimeter of shape 186 cm?

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For the value of x = 9, the perimeter of the shape will be 186 cm.

Step-by-step explanation:

Given

We know that Perimeter of rectangle = 2(L + w)  units

Given that the perimeter of shape 186 cm.

Thus, the equation becomes

2(L + w) = 186

2(5x+6 + 4x+6) = 186

2(9x+12) = 186

Divide both sides by 2

9x+12 = 93

9x = 93-12

9x = 81

Divide both sides by 9

x = 9

Thus, the value of x = 9

Hence, for the value of x = 9, the perimeter of the shape will be 186 cm.

a.   since the profit made in 2012 is equal to the profit made in 2014, the profit is symmetric about the line y = 120,000.

step-by-step explanation: