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zhuklara [117]
3 years ago
8

17.) Evaluate a/b for a = 4/5 and b = - 9/2

Mathematics
1 answer:
brilliants [131]3 years ago
5 0

Answer:

D

Step-by-step explanation:

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Nady [450]

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D

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Using Euler’s formula, how many edges does a polyhedron with 20 faces and 12 vertices have?
astra-53 [7]

Euler's formula for a polyhedron is given by:

\begin{gathered} F+V=E+2 \\ \text{where,} \\ F=\text{faces} \\ V=\text{vertices} \\ E=\text{edges} \end{gathered}

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\begin{gathered} F+V=E+2 \\ E=F+V-2 \end{gathered}

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\begin{gathered} E=20+12-2 \\ E=30 \end{gathered}

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Just answer quickly <br> 3x - 7y + 5x -1 + 4y
Gennadij [26K]

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