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3 years ago

The names of the polygons 1-100

Mathematics

1 answer:

Anton [14]3 years ago

7 0

Answer:

1 monogon (Monogon and digon can only

2 digon be used in rather special

3 trigon, triangle circumstances.

Trigon and

4 tetragon, quadrilateral tetragon are alternatives to

5 pentagon triangle and quadrilateral;

6 hexagon the adjectival forms trigonal

7 heptagon and tetragonal are more common.)

8 octagon

9 enneagon

10 decagon

11 hendecagon

12 dodecagon

13 triskaidecagon

14 tetrakaidecagon, tetradecagon

15 pentakaidecagon, pentadecagon

16 hexakaidecagon, hexadecagon

17 heptakaidecagon

18 octakaidecagon

19 enneakaidecagon

20 icosagon

21 icosikaihenagon, icosihenagon

22 icosikaidigon

23 icosikaitrigon

24 icosikaitetragon

25 icosikaipentagon

26 icosikaihexagon

27 icosikaiheptagon

28 icosikaioctagon

29 icosikaienneagon

30 triacontagon

31 triacontakaihenagon

32 triacontakaidigon

33 triacontakaitrigon

34 triacontakaitetragon

35 triacontakaipentagon

36 triacontakaihexagon

37 triacontakaiheptagon

38 triacontakaioctagon

39 triacontakaienneagon

40 tetracontagon

41 tetracontakaihenagon

42 tetracontakaidigon

43 tetracontakaitrigon

44 tetracontakaitetragon

45 tetracontakaipentagon

46 tetracontakaihexagon

47 tetracontakaiheptagon

48 tetracontakaioctagon

49 tetracontakaienneagon

50 pentacontagon ...

60 hexacontagon ...

70 heptacontagon ...

80 octacontagon ...

90 enneacontagon ...

100 hectogon, hecatontagon

1000 chiliagon

10000 myriagon

Step-by-step explanation:

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Can someone explain HOW to simplify this algebraic fraction, as in tell me why and what I need to do for each step : 1-n/n^2-1

Andreyy89

- I’m assuming the expression implies the following:

(1-n)/(n^2 - 1)

The steps goes as follows:

= -(n-1)/(n^2-1) (factored a negative out)
= -(n-1)/[(n+1)(n-1)] (Factored denominator into a difference of squares, but don’t just blindly accept the fact, expand it and you should get the original denominator)

At this point, the (n-1) terms cancel, as you should know: a real number, besides 0, over itself is 1.

= -1/(n+1) , which is the answer

Note: You could also see it as 1/-(n+1) or 1/(-n-1)

8 0

2 years ago

x+4y=17 and -x-6y=-23 what's the x and y I really badly need this I need this so I can play at my basketball game tommorw and I

loris [4]

Answer:

x = 5
y = 3

Solution:

=> x + 4y = 17

-x - 6y = -23

=> -2y = -6
=> y = 3

Now, let's substitute the value of y into the first equation.

x + 4y = 17
=> x + 4(3) = 17
=> x + 12 = 17
=> x = 5

Let's check our answer to make sure it is correct.

Check:

-x - 6y = -23
=> -(5) - 6(3) = -23
=> -5 - 18 = -23
=> -23 = -23

Hence, this is proven correct.

Hoped this helped.

$BrainiacUser1357$

7 0

2 years ago

Sofia works at Cowboy Corner. She receives 10% commission on all of the cowboy hats she sells in a month. If Sofia sells $545 in

marta [7]

Answer:

$54.50

Step-by-step explanation:

10% = 10/100

=545 × 10/100

=5450/100

=54.5

7 0

3 years ago

I need help finding if it’s either SOH, CAH or TOA and the indicated side of the triangle, thank you!

Brilliant_brown [7]

Answer:

$\huge\boxed{IJ \approx 2.01}$

Step-by-step explanation:

In order to find the side mentioned (IJ), we need to use SOH CAH TOA.

SOH CAH TOA is an acronym to help us remember what sin, cos, and tan mean. It stands for:

Sin = Opposite / Hypotenuse

Cosine = Adjacent / Hypotenuse

Tan = Opposite / Adjacent

Since we know the measure of angle K (42) and we know one of the sides, we can use this to find the missing length.

Since the side given to us is the hypotenuse, and we're looking for the side opposite of the angle (IJ), the only possible one to use would be SIN as it includes Opposite and Hypotenuse.

Our equation is now this: $\text{sin(42)} = \frac{x}{3}$