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grin007 [14]
3 years ago
8

What is a perfect circle

Mathematics
2 answers:
Anon25 [30]3 years ago
6 0

Answer:

A circle which has the exact same radius no matter what direction you measure in

Step-by-step explanation:

Probably

Usimov [2.4K]3 years ago
3 0

It is a 2D shape. it is not a sphere because spheres are 3D. It also has the same width, length and hieght all the way around.

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What is the unit rate for 839.68 km in 51.2 h?<br><br> Round to the nearest tenth if necessary
Sergio039 [100]
51.2 h = 839.68

h = 839.68 / 51.2

h = 16.4

So, your answer is 16.4

Hope this helps!
8 0
3 years ago
It has been found that women are excluded from social events with coworkers. One study at Company X, found that women only recei
Natasha2012 [34]

Answer:

Option C is correct.

The p-value in this case is the probability of getting data like that observed or more extreme (i.e., getting an observed invitation rate of 33% or higher) assuming that;

The social strategies did not increase the rate of invitations for female colleagues.

Step-by-step explanation:

The p-value is actually defined as the probability of obtaining results as extreme as the observed results in the statistical analysis provided that the null hypothesis is true.

The standing condition for the p-value definition is the assumption that the null hypothesis is true, then it is the probability of getting the extreme result (usually not due to just random chance), that is usually observed, being tested for and contained in the alternative hypothesis.

Normally, in hypothesis testing, especially one comparing two sets of data, the null hypothesis plays the devil's advocate and usually takes the form of the opposite of the theory to be tested. It usually contains the signs =, ≤ and ≥ depending on the directions of the test. It usually maintains that, with random chance responsible for the outcome or results of any experimental study/hypothesis testing, its statement is true.

The alternative hypothesis usually confirms the theory being tested by the experimental setup. It usually contains the signs ≠, < and > depending on the directions of the test. It usually maintains that significant factors other than random chance, affect the outcome or results of the experimental study/hypothesis testing and result in its own statement.

Since this test aimed to test whether the rate of invitation of women to outside work events after using the social strategies, the null hypothesis for the question would be that there is no significant difference in the rate of invitation of the women after using the social strategies while the alternative hypothesis would be that the social strategies worked and the rate invitation of women to outside of work events increased.

So, the null hypothesis that we need to assume was true in the p-value definition is that; the social strategies did not increase the rate of invitations for female colleagues.

This is option C!

Hope this Helps!!!

8 0
2 years ago
P(A)=0.22 and P(B)=0.46 <br> Find P(A OR B)
morpeh [17]

In general, the probability of a disjunction is

P(A \lor B) = P(A)+P(B)-P(A\cap B)

In this case, A and B are mutually exclusive, so P(A\cap B)=0

This simplifies the formula to

P(A \lor B) = P(A)+P(B) = 0.22+0.46 = 0.68

4 0
3 years ago
The circumference of a circle is 26 pi what is the area in square inches of the circle
melisa1 [442]

circumference=

2\pi \: radius

26\pi = 2\pi \: raduis \:

\frac{26\pi}{2\pi}  = raduis

radius = 13

area of circle =

\pi {raduis}^{2}

area of circle=

\pi {13}^{2}

area of circle=

169\pi

8 0
2 years ago
Simplify the following expressions.
baherus [9]
1. 36x + 4
2. 30n + 42
3. -24p + 32
4. 24p -28
5. 15m - 30
6. 5x + 45
8 0
2 years ago
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