The area of a square garden is 50 m2, how long is the diagonal?

10 m

Step-by-step explanation:

Area of square: x^2 = 50

x =7.071 wide and long

Width^2 + Length^2 = Diagonal ^2

50 + 50 = Diagonal^2

Diagonal =

Diagonal = 10

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

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step-by-step explanation: