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2 years ago

A regular polygon has a exterior of 18 degrees. How many sides does it have?

2 answers:

7 0

The angles of a regular polygon add up to 360 degrees so if it is a REGULAR polygon then all of the angles must be equal/the same. So you do 360 divided by 18 to see how many sides there are so that would give a simple answer of 20. I was able to work this out in my head by doing 36 divided 18 (I took the 0 off the 360 to make the sum easier) which = 2 and then added the 0 back on from the 360 which gave me 20. So the regular polygon has 20 sides

blondinia [14]2 years ago

4 0

The formula of the measurement of an exterior angle of a regular polygon is
β = 360°/n
where β = exterior angle and n = number of sides

Therefore,
n = 360°/β = 360°/18° = 20 sides

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Step-by-step explanation:

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2 years ago

Data from the U.S. Bureau of Labor Statistics show a steady decline in the average workweek of U.S. production workers from 38.5

Readme [11.4K]

Answer:

Of the 16 possible experimental outcomes, 4 outcomes result in exactly 1 success.

The probability of a determined sample point with an outcome of one success is P=0.0992.

Step-by-step explanation:

We have a proportion of success (the selection of a manager who reads e-mail in the bathroom) of p=0.18.

The sample size is n=4.

We can model this as a binomial random variable.

The sample space is [0, 1, 2, 3, 4].

The possible outcomes for x=0 (that is no manager in the sample reads email in the bathroom) can be calculated as:

$C(0)=\dbinom{4}{0}=\dfrac{4!}{4!0!}=1$

The same way we can calculate all the other possible outcomes:

$C(1)=\dbinom{4}{1}=\dfrac{4!}{3!1!}=\dfrac{4}{1}=4\\\\\\C(2)=\dbinom{4}{2}=\dfrac{4!}{2!2!}=\dfrac{4*3}{2*2}=6\\\\\\C(3)=\dbinom{4}{3}=\dfrac{4!}{3!1!}=4\\\\\\C(4)=\dbinom{4}{4}=\dfrac{4!}{4!0!}=1$

The sum of this outcomes is 16 possible outcomes. Of the 16 possible experimental outcomes, 4 outcomes result in exactly 1 success.

The probability of an outcome with 1 success is the product of p (the one that reads email) times (1-p)^3 (the other 3 that do not read emails in the bathroom):

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3 years ago

1. Determine it the triangles are similar It similar state how and complete the similarity Statement. It triangle is not similar

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Answer:

I would say that they are similar to each other

Step-by-step explanation:

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2 years ago

There can be more then one answer

mash [69]

Answer:

Step-by-step explanation:

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2 years ago

Doughnuts at one shop cost £1.40 each.

eduard

Given parameters:

Cost of doughnut at one shop = £1.40

Unknown

Difference in the cost of doughnuts at the two shops = ?

To find the difference in the cost of doughnuts at the two shops, we must know the cost of doughnut at the second shop;

Given that the cost of doughnut at the other shop is 20% more;

= 1.20 x £1.4

= £1.68

The difference in the cost of doughnuts = £1.68 - £1.40 = £0.28

So the answer is £0.28

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3 years ago