-2x+9y=41.... equation 1
-2x-5y=1 ....equation 2
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14y=43
y=43/14
y=43/14 in equation 1
-2x+9(43/14)=41
-2x+387/14=41
-2x=41-387/14
-2x=187/14
x=187/-28
x=187/28 , y=43/14
if you want to check your answer
-2(187/28)+9(43/14)=41
Answer:
true
Step-by-step explanation:
polygons are plain figures or shapes made up of line segments only. Circles, three-dimensional objects, any shapes that include curves, and any shapes that aren't closed are not polygons
Answer:
The answer to the mean is 66.4
Step-by-step explanation:
58+63+68+72+71
P(<em>Z</em> ≥ <em>z</em>) = 1 - P(<em>Z</em> ≤ <em>z</em>) = 0.06
==> P(<em>Z</em> ≤ <em>z</em>) = 0.94
==> <em>z</em> ≈ 1.7507