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seropon [69]
3 years ago
13

What is the slope of the tangent line at x2 when x=5

Mathematics
1 answer:
trasher [3.6K]3 years ago
8 0
The answer is 10 Mark brainiest please
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Congress regulates corporate fuel economy and sets an annual gas mileage for cars. A company with a large fleet of cars hopes to
Dimas [21]

Answer:

The calculated value t= 3,947 >  2.0301 at 0.05 level of significance ( two tailed test) with 35 degrees of freedom.

Null hypothesis is rejected

There is no strong evidence that they have attained their fuel economy​ goal.

Step-by-step explanation:

<u>Step (i):</u>-

A company with a large fleet of cars hopes to meet the goal of 38.2 mpg or better for their fleet of cars.

Population mean 'μ' = 38.2mpg

Given the gasoline usage for 36 company trips chosen at​ random, finding a mean of 40.20 mpg and a standard deviation of 3.04 mpg.

Sample size 'n' = 36

mean  of the Sample 'x⁻' = 40.20mpg

standard deviation of the Sample 'S' = 3.04 mpg.

<u>Step(ii)</u>:-

Null hypothesis: H₀: 'μ' = 38.2mpg

Alternative hypothesis: H₁: 'μ' ≠ 38.2mpg

Level of significance ∝=0.05

The test of hypothesis

                             t = \frac{x^{-} - mean}{\frac{S}{\sqrt{n} } }

                            t = \frac{40.20- 38.20}{\frac{3.04}{\sqrt{36} } } = 3.947

The degrees of freedom ν= n-1 = 36-1 =35

The tabulated value t₀.₀₅ =  2.0301 at 0.05 level of significance ( two tailed test) with 35 degrees of freedom.

The calculated value t= 3,947 >  2.0301 at 0.05 level of significance ( two tailed test) with 35 degrees of freedom.

Null hypothesis is rejected

<u>Conclusion:</u>-

There is no strong evidence that they have attained their fuel economy​ goal.

4 0
3 years ago
&lt; Which 2 ways could Bruna find the best paying job? Choose 2 answers: A B C D Find the least dollars paid per hour worked. F
Rashid [163]

Bruna could choose option B and option C.

Option B:

Find the most dollars paid per hour worked this is one of the best option to choose because here for one hour most dollars will be paying means there is a income source and best paying job.

Option C:

Find the most dollars paid per hour worked this is also a best option to choose because here with less number of hours work you are getting the dollar so there is no workload hence it is the best paying job.

Therefore Bruna could choose option B and option C.

Learn more about the best  paying job here:

brainly.com/question/7039866

#SPJ1

3 0
1 year ago
What is the value of x?
Natasha_Volkova [10]

i believe 68 is the answer.

5 0
3 years ago
Read 2 more answers
Function or not a function?
ivanzaharov [21]

Answer:

not a function because the points' x-values repeats

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Please help anyone and thank you
snow_lady [41]

Answer and Step-by-step explanation:

The two statements that are true are statement 1 and statement 4:

- The sum of pi and 0 is irrational.

- The product of \frac{9}{5} and \sqrt{19 } is irrational.

Pi is an irrational number, and the square root of 19 is irrational. That's because these numbers can't be put into a simplified fraction to encompass all the digits it contains.

#teamtrees #PAW (Plant And Water)

8 0
2 years ago
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