Show that x e" is a solution to x"- 12x" +48x 64x 0 show that x e is not a solution to x" - 12x" +48x -64x = 0 let y is this a solution for some r? if so, find all such r 2y 8y 0. now try a solution of the form y e for some (unknown) constant r verify that x c1e cze2 is a solution to x" -x-2x = 0. find c and c2 to 0 10 and x (0) solve for the initial conditions x(0)

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

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step-by-step explanation:

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8