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3 years ago

Trying to explain a solar eclipse is an example of

Mathematics

2 answers:

Ede4ka [16]3 years ago

5 0

Answer:

option C

Step-by-step explanation:

The correct answer is option C.

Explaining someone about Solar eclipse is an example of Scientific inquiry.

The solar eclipse is explained by the Scientist very briefly by using different methods i.e. for the explanation of Solar eclipse we do not need any prediction, classification or drawing any conclusion.

Through Scientific inquiries, the scientist has performed many observations and they have given the explanations of Solar Eclipse.

Softa [21]3 years ago

3 0

The question is a scientific inquiry. The explanation does not fit any of the four.

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The mean hours of sleep that students get per night is 7 hours, the standard deviation of hours of sleep is 1.7 hours, and the d

densk [106]

Answer:

c. 3.6 and 10.4 hrs

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviations of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean 7, standard deviation 1.7.

For about 95% of students, nightly amount of sleep is between

7 - 2*1.7 = 7 - 3.4 = 3.6 hours

7 + 2*1.7 = 7 + 3.4 = 10.4 hours

So the correct answer is:

c. 3.6 and 10.4 hrs

5 0

3 years ago

Let us analyze the following setting. You are given a circle of unit circumference. You pickkpoints on the circle independently

garik1379 [7]

Answer:

We have been given a unit circle which is cut at k different points to produce k different arcs. Now we can see firstly that the sum of lengths of all k arks is equal to the circumference:

$\small \sum_{i = 1}^{k} L_i= 2\pi$

Now consider the largest arc to have length \small l . And we represent all the other arcs to be some constant times this length.

we get :

$\small \sum_{i = 1}^{k} C_i.l = 2\pi$

where C(i) is a constant coefficient obviously between 0 and 1.

$\small \sum_{i = 1}^{k} C_i= 2\pi/l$

All that I want to say by using this step is that after we choose the largest length (or any length for that matter) the other fractions appear according to the above summation constraint. [This step may even be avoided depending on how much precaution you wanna take when deriving a relation.]

So since there is no bias, and \small l may come out to be any value from [0 , 2π] with equal probability, the expected value is then defined as just the average value of all the samples.

We already know the sum so it is easy to compute the average :

$\small L_{Exp} = \frac{2\pi}{k}$

7 0

2 years ago

Find the midpoint M of the line segment joining the points A= (-7, -6) and B= (1,8).

Marrrta [24]

Step-by-step explanation:

Use midpoint formula,

x = -6/2 = -3 , y=2/2 =1

(x,y)=(-3,1)

so , the coordinates of mid point of line segment is M (-3,1)

8 0

3 years ago

What is the quotient of 8 divided by 2/5 in a whole number

Gwar [14]

To do 8 divided by two, you have use the keep change change rule, so it becomes:
8/1 times 5/2, and you just multiply out and you get:
40/2 which simplifies to
20

6 0

3 years ago

Read 2 more answers

What are the range and domain?

Goryan [66]

Answer:

domain=0

range=2

Step-by-step explanation:

this might be helpful..

7 0

3 years ago