Mathematics: Mario’s company makes unusually shaped imitation gemstones. one gemstone had 10 faces and 11 vertices. how many edges did the gemstone have?

Mario’s company makes unusually shaped imitation gemstones.

Ответ:

bettycarter4573

08.01.2022

Mathematics

Euler formula: VERTICES + FACES - EDGES = 2

11+10 -E = 2

21-2 = E and E(edges) = 19

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Ответ:

leah1386

28.01.2023

Mathematics

$f(1)=-5\cdot1^4+8\cdot1^3+6\cdot1+1=-5+8+6+1=10\\
f(2)=-5\cdot2^4+8\cdot2^3+6\cdot2+1=-80+64+12+1=-3\\\\
f(1)0\\
f(2)$
It does.

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