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Marizza181 [45]
3 years ago
11

HELP ME PLZZ I NEED HELP WITH THIS!!

Mathematics
2 answers:
scoray [572]3 years ago
4 0
D is your answer....
BigorU [14]3 years ago
3 0

Answer:

d

Step-by-step explanation:

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The slope of the line below is -2. Which of the following is the point-slope form of the line?
madreJ [45]

Answer: the answer should be D

Step-by-step explanation:

6 0
2 years ago
In the July 2007 issue, Consumer Reports examined the calorie content of two kinds of hot dogs: meat (usually a mixture of pork,
kifflom [539]

Answer:

Since we FAIL to reject the null hypothesis, then if we construct an interval of 95% of confidence, the 0 should be included, because on the test hypothesis we conclude that there would be no significant difference between the means of the two groups analyzed, and the results obtained on the hypothesis test needs to be consistent with the confidence interval.

Step-by-step explanation:

A hypothesis is defined as "a speculation or theory based on insufficient evidence that lends itself to further testing and experimentation. With further testing, a hypothesis can usually be proven true or false".  

The null hypothesis is defined as "a hypothesis that says there is no statistical significance between the two variables in the hypothesis. It is the hypothesis that the researcher is trying to disprove".

The alternative hypothesis is "just the inverse, or opposite, of the null hypothesis. It is the hypothesis that researcher is trying to prove".

\bar x_{meat}=111.7 represent the sample mean of calories for the meat hot dogs

\bar x_{beef}=135.4 represent the sample mean of calories for the beef hot dogs

The system of hypothesis on this case would be:

Null hypothesis: \mu_{meat}-\mu_{beef}=0

Alternative hypothesis: \mu_{meat}-\mu_{beef}\neq 0

On this case we have the p value obtained, after calculate the statistic and we got that p_v =0.124 if we select a 5% significance level \alpha=0.05 we see that p_v >\alpha and on this case we can FAIL to rejec the null hypothesis, so there is not a significant difference between the mean of the two tpes of hot dogs analyzed at 5% of significance.

And since we FAIL to reject the null hypothesis, then if we construct an interval of 95% of confidence, the 0 should be included, because on the test hypothesis we conclude that there would be no significant difference between the means of the two groups analyzed, and the results obtained on the hypothesis test needs to be consistent with the confidence interval.

8 0
3 years ago
The diagram below is used to prove the Pythagorean Theorem. What is the area of the trapezoid in the diagram? A= 1/2 (a+b)(b+c)
Harman [31]
The answer is d=<span>= 1/2 (a+b) 2nd power </span>
6 0
3 years ago
Please help with the question in the attachment. Do not give an improper answer or you will be reported.
____ [38]

9514 1404 393

Answer:

  2876 books

Step-by-step explanation:

If we let y1 and y2 represent the costs from method 1 and method 2, then we have, for x books published, ...

  y1 = 12841 +24.25x

  y2 = 48072 +12x

These costs will be equal when ...

  y1 = y2

  12841 +24.25x = 48072 +12x

  12.25x = 35231 . . . . . . . . . . . . . subtract 12841+12x

  x = 2876 . . . . . . . . . . divide by 12.25

The costs will be the same for production of 2876 books.

3 0
3 years ago
Solve –2 + x &gt; 10 using the properties of inequalities.
lys-0071 [83]
Using the properties of inequalities:
Subtract -2 from each side of the inequality    -2 + x > 10
Remember -2 - -2 becomes -2 + 2 = 0          <u>- -2 + x > --2
</u>10 - -2 becomes 10 + 2 =12<u />                             0 + x > 12
So the final solution would be x > 12.
Therefore x would have to be all numbers greater than 12.
<u />                                                    
4 0
3 years ago
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