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3 years ago

How many lines of symmetry doesn’t a regular polygon with 32 sides have?

Mathematics

2 answers:

notsponge [240]3 years ago

7 0

A regular polygon of "n" sides has "n" Lines of Symmetry

so a regular 32 sided polygon has 32 lines of symmetry

Alex777 [14]3 years ago

6 0

Answer:

32 !

Step-by-step explanation:

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What is the sum of the counting numbers 1 - 40

AVprozaik [17]

Simply it as follows:

1 + 39 = 40
2 + 38 = 40 etc

18 + 22 = 40
19 + 21 = 40

There are 19 of these plus 40 itself . . .therefore 20 of them

20 x 40 = 800

And finally the last number not used, 20

Therefore 800 + 20 = 820

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3 years ago

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How many 7/8 inch long strips can be cut from a single 7 inch long strip of material

olga_2 [115]

Answer:

Step-by-step explanation:

Let us assume ,

n number of pieces can be obtained.

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and the total length is 7 inches.

So, we get

$\frac{7}{8} * n=7\\$

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dividing by 7

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4 years ago

What is the inverse of the following function?

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4 years ago

Priya's cat is pregnant with a litter of 5 kittens. Each kitten had a 30% chance of being chocolate brown. Estimate the probabil

aniked [119]

Answer:

So, the probability is P=0.3087.

Step-by-step explanation:

We know that Priya's cat is pregnant with a litter of 5 kittens, so n=5.

Each kitten had a 30% chance of being chocolate brown.

We get that p=0.3 and q=1-0.3=0.7.

We calculate the probability that exactly 2 kittens will be chocolate brown, so k=2.

We use the formula:

$\boxed{P(X=k)=C_k^n\cdot p^k\cdot q^{n-k}}$

we get

$P(X=2)=C_2^5\cdot 0.3^2\cdot 0.7^3\\\\P(X=2)=\frac{5!}{2!(5-2)!}\cdot 0.03087\\\\P(X=2)=10\cdot 0.03087\\\\P(X=2)=0.3087\\$

So, the probability is P=0.3087.

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4 years ago

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