Answer:
1) Equation: x/3 + 8 = 36
(x = ticket cost)
Solution: x = $9.33
2) Equation: 4 + 8x = 36
(x = number of games played)
Solution: x =
Step-by-step explanation:
x + 8 = 36
<u> -8 -8 </u>
x/3 = 28
divide by 3
x = $9.33
_______________________
4 + 8x = 36
<u>-4 -4</u>
8x = 32
divide by 8
x = 4
They bowled 4 games
A and D can be automatically eliminated since the a side cannot be longer than the hypotenuse in a triangle.
Recognize that the two triangles are similar triangles, you get
2.7/3.6 = h/1.5 => h = 1.125.
Answer:
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Step-by-step explanation:
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Answer:
The critical value that should be used is T = 2.492.
The 98% confidence interval for the population mean bromide concentration is between 0.486 cc/m³ and 0.518 cc/m³
Step-by-step explanation:
We have the standard deviation for the mean, which means that the t-distribution is used to solve this question.
The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So
df = 25 - 1 = 24
98% confidence interval
Now, we have to find a value of T, which is found looking at the t table, with 24 degrees of freedom(y-axis) and a confidence level of . So we have T = 2.492, which is the critical value that should be used.
The margin of error is:
In which s is the standard deviation of the sample and n is the size of the sample.
The lower end of the interval is the sample mean subtracted by M. So it is 0.502 - 0.016 = 0.486 cc/m³
The upper end of the interval is the sample mean added to M. So it is 0.502 + 0.016 = 0.518 cc/m³
The 98% confidence interval for the population mean bromide concentration is between 0.486 cc/m³ and 0.518 cc/m³
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-The Numbers Ordered From Least To Greatest-
-59 -41 -23 -11
The closer the number is to zero, it is going to be a bigger number than a number far away from zero.