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patriot [66]
2 years ago
12

(5t2-500)/(t+10) idk how to solve this pls help!!

Mathematics
1 answer:
PilotLPTM [1.2K]2 years ago
7 0
Is 2 is square on t?


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Marianna just completed her findings in her investigation of the importance
Verizon [17]

Answer:

17 pages

Step-by-step explanation:

if not that then 15 since it says "less than 4,900 words in <u>15 pages</u>"

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Order the values from least to greatest.<br> 8, |3|, -5, |-2|, -2
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Step-by-step explanation:

-5 , -2, |-2| ,|3|, 8

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3 years ago
The Rocky Mountain district sales manager of Rath Publishing Inc., a college textbook publishing company, claims that the sales
mihalych1998 [28]

Answer:

We conclude that the mean number of calls per salesperson per week is more than 37.

Step-by-step explanation:

We are given that the Rocky Mountain district sales manager of Rath Publishing Inc., a college textbook publishing company, claims that the sales representatives make an average of 37 sales calls per week on professors.

To investigate, a random sample of 41 sales representatives reveals that the mean number of calls made last week was 40. The standard deviation of the sample is 5.6 calls.

<em><u>Let </u></em>\mu<em><u> = true mean number of calls per salesperson per week.</u></em>

SO, <u>Null Hypothesis</u>, H_0 : \mu \leq 37   {means that the mean number of calls per salesperson per week is less than or equal to 37}

<u>Alternate Hypothesis,</u> H_A : \mu > 37   {means that the mean number of calls per salesperson per week is more than 37}

The test statistics that will be used here is <u>One-sample t test statistics</u> as we don't know about the population standard deviation;

                        T.S.  = \frac{\bar X -\mu}{\frac{s}{\sqrt{n} } }  ~ t_n_-_1

where, \bar X = sample mean number of calls made last week = 40

             s = sample standard deviation = 5.6 calls

             n = sample of sale representatives = 41

So, <em><u>test statistics</u></em>  =   \frac{40-37}{\frac{5.6}{\sqrt{41} } }  ~ t_4_0

                               =  3.43

Hence, the value of test statistics is 3.43.

<em>Now at 0.025 significance level, the t table gives critical value of 2.021 at 40 degree of freedom for right-tailed test. Since our test statistics is more than the critical value of t as 3.43 > 2.021, so we have sufficient evidence to reject our null hypothesis as it will fall in the rejection region.</em>

Therefore, we conclude that the mean number of calls per salesperson per week is more than 37.

4 0
3 years ago
Find the solution set to this inequality: 2x − 3 &gt; _ <br> 2x − 5 <br> 2
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Answer:

<h2>WOW!!What an amazing question</h2>
3 0
2 years ago
What does it mean if two equations have no solution ?
Alex787 [66]

Answer:

this means there is no answer to the problem

Step-by-step explanation:

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