The floor of a rectangular living room is 12 meters by 9 meters. what is the distance between opposite corners of the living room? (This is pythagorean theorem btw)

15 meters

Step-by-step explanation:

that means the leg lengths of the triangle are  12 m  and 9 m

use Pythagorean theorem:

D =  root (12^2  + 9^2) = root( 144 + 81) = root(225) = 15 m

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x

not me

step-by-step explanation:

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