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Natasha_Volkova [10]
2 years ago
15

Which of the following rotational symmetry is applied to the regular not​

Mathematics
1 answer:
olya-2409 [2.1K]2 years ago
6 0

9514 1404 393

Answer:

  • yes
  • yes

Step-by-step explanation:

A regular nonagon has vertices that are 360°/9 = 40° apart. Any rotation by a multiple of 40° will make the figure indistinguishable from the original.

Rotational symmetry of 40° applies.

Rotational symmetry of 200° applies.

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Answer: 223.5

Step-by-step explanation:

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zavuch27 [327]
Smallest side XYZ/ Smallest side ABC = Longest side XYZ/ Longest side ABC
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Answer:

V = 64 in^3

Step-by-step explanation:

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Find the numerical values of -3|x|+2x-1 if x=-5. PLSSSS HELP
Kisachek [45]

Answer:

26

Step-by-step explanation:

Since x = -5, we can replace x with it's numerical -5, right? The problem tells you that x is equal to -5. So, just replace any x you see with -5.

So in this case,

-3|x|+2x-1

turns into:

-3|(-5)|+2(-5)-1

You can use a calculator or solve it by hand to see what the answer is.

-3|(-5)|+2(-5)-1\\-3(5)+2(-5)-1\\-15+(-10)-1\\-25-1\\-26

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