Jeremy saves $35 per month over the first 7 months of the year. He saves $40 per month over the next 5 months of the year. If Je
2 answers:
Answer: The expression shows the number of dollars he will have saved by the end of the year is given by
Step-by-step explanation:
Since we have given that
Amount he saved per month over the first 7 months = $35
Amount he saved per month over the next 5 months = $40
So, total saving by the end of the year is given by
Hence, the expression shows the number of dollars he will have saved by the end of the year is given by
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The given equation is equivalent to the expression -3c.
Given that, the expression can be written as.
By simplifying the above equation,
By taking out the common terms from the equation,
By simplifying the above equation by cancel out the common factors.
Now, by taking (-1) common from (-2c+1) we get,
By simplifying the above equation, we get the expression,
So the given equation is equivalent to the expression -3c.
For more details, follow the link given below.
If the sample size of population is 24 then the number of degrees of freedom for reading the t value is 23 which is option c.
Given sample size of 24,mean 23.
We have to determine the number of degrees of freedom which will be used to find the critical values of t.
Degree of freedom is the number of values in the final calculation of a statistic that are free to vary means that can change their values in the formula of calculating t.
t=(X-μ)/s/
where X is sample mean ,
μ is hypothsised population mean
s is sample standard deviation
n is sample size.
Degree of freedom=n-1
In this question n is 24 so the degree of freedom =24-1=23.
Hence the number of degrees of freedom for reading the t value is 23.
Learn more about degree of freedom at brainly.com/question/17305237
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