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Savatey [412]
3 years ago
8

Which of the following scale factors would produce an expansion under a dilation of the original image?

Mathematics
2 answers:
kondor19780726 [428]3 years ago
8 0
<span>B. 1/2 i hope this helps you out</span>
aalyn [17]3 years ago
4 0
The correct answer is 3/2
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Read 2 more answers
To test if the mean IQ of employees in an organization is greater than 100, a sample of 30 employees is taken and the value of t
ivolga24 [154]

Answer:

p_v =P(t_{(29)}>1.42)=0.0831  

For this case the p value calculated is higher than the significance level used of 0.05 so then we have enough evidence to FAIL to reject the null hypothesis and the best conclusion for this case would be:

a) do not reject the null hypothesis and conclude that the mean IQ is not greater than 100

Step-by-step explanation:

Information given

We want to verify if he mean IQ of employees in an organization is greater than 100 , the system of hypothesis would be:  

Null hypothesis:\mu \leq 100  

Alternative hypothesis:\mu > 100  

The statistic for this case is given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

The statistic calculated for this case  t_{calc}= 1.42

The degrees of freedom are given by:

df=n-1=30-1=29  

Now we can find the p value using tha laternative hypothesis and we got:

p_v =P(t_{(29)}>1.42)=0.0831  

For this case the p value calculated is higher than the significance level used of 0.05 so then we have enough evidence to FAIL to reject the null hypothesis and the best conclusion for this case would be:

a) do not reject the null hypothesis and conclude that the mean IQ is not greater than 100

5 0
3 years ago
Use the tables to determine which function will eventually exceed the other, and provide your reasoning.
Vadim26 [7]

Answer:

The answer is f(x) will eventually exceed g(x) because f(x) is an exponential function.

I just took the test and got it right.

Step-by-step explanation:

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Can someone please help with question 4?
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7 4/5 multiply 4/5 by 2 which will be 7 8/10+ 12 1/10 whigh will end up as 19 9/10
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