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3 years ago

Does anyone know the answer to this

Mathematics

2 answers:

gayaneshka [121]3 years ago

8 0

The correct answer is B. 137, same side exterior angles are supplementary.

I already answered this exact question once, you have the explanation there.

lbvjy [14]3 years ago

5 0

A.) Corresponding angles make a line which means they are supplementary.

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Please answer this correctly

Lunna [17]

Answer:

<h2>1.C. Statistics</h2><h2>2.A. Analysis </h2><h2>3.D. organizations </h2><h2>4.B. sample</h2><h2>5.A. Census</h2>

Step-by-step explanation:

1.Statistics is a branch of mathematics dealing with data collection, organization, analysis, interpretation and presentation.

2.Scientists do this by collecting data, analyzing it and drawing a conclusion. The whole process, from forming a hypothesis to announcing conclusions, is called the scientific method.

3.organizations

4.A sample is a sub collection of elements drawn from a population

5.A census is the collection of data from every element in a population.

<h3>ihope i help u again</h3>

6 0

2 years ago

WILL REWARD What is the equation of the line in point-slope form?

romanna [79]

Step-by-step explanation:

the red point is (4, -5).

so, y - (-5) = -1/7(x - 4)

Topic: coordinate geometry

If you like to venture further, feel free to check out my insta (learntionary). I'll be constantly posting math tips and notes! Thanks!

8 0

3 years ago

What is 93 percent of 24??

DochEvi [55]

.93 * 24 = 22.32
*************************************************************

8 0

3 years ago

One of the brightest stars in the sky is Arcturus, which is part of the constellation Bootes is 32 light years from the Earth. O

larisa86 [58]

188.192 miles away.

8 0

3 years ago

The strength of paper used in the manufacturing of cardboard boxes (y) is related to percentage of hardwood concentration in the

Elena-2011 [213]

Answer:

At a significance level of 0.05, there is enough evidence to claim that there is a significant relationship between x and y.

P-value = 0.003.

Step-by-step explanation:

If we perform a regression analysis relating x and y, we get the best fitting line with equation:

$y=15.82x+92.9$

and a correlation coefficient r:

$r=0.693$

We have to test the hypothesis, where the alternative hypothesis claims that there is a relationship between these two variables, and the null hypothesis claiming there is no relationship (meaning that the correlation is not significantly different from 0).

This can be written as:

$H_0: \rho=0\\\\H_a:\rho\neq0$

where ρ is the population correlation coefficient for x and y.

The significance level is assumed to be 0.05.

The sample size is n=16.

The degrees of freedom are df=14.

$df=n-2=16-2=14$

The test statistic can be calculated as:

$t=\dfrac{r\sqrt{n-2}}{\sqrt{1-r^2}}=\dfrac{0.693\sqrt{14}}{\sqrt{1-(0.693)^2}}=\dfrac{2.593}{0.721}=3.597$

For a test statistic t=2.05 and 14 degrees of freedom, the P-value is calculated as:

$\text{P-value}=2\cdot P(t>3.597)=0.003$

The P-value (0.003) is smaller than the significance level (0.05), so the effect is significant enough.

The null hypothesis is rejected.

At a significance level of 0.05, there is enough evidence to claim that there is a significant relationship between x and y.

3 0

3 years ago