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superpuglover5924
19.02.2021 •
Mathematics
. Rectangle X has a length of 17 meters and a width of 9
meters. Rectangle Y has a length of 17 meters and a width of
12 meters. You place both rectangles side-by-side to create
a new rectangle, Rectangle Z. What is the perimeter of
Rectangle Z?
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Ответ:
you would use quadratic formula which is -b +/- square root ((b^2)-4ac)/2a
a: 8
b: 4
c: 0
-4 +/- square root ((4^2)-4(8)(0))/2(8)
(-4+ square root 16)/16 = 0
(-4- square root 16)/16 = -0.5
the two solutions are 0 and -0.5