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3 years ago

9

Domain, first element, and y -value all have the same meaning. True Or False

1 answer:

Alexeev081 [22]3 years ago

4 0

False;
Domain- The set of possible values of the independent variable or variables in a function.
y-Value is in a graph {y=mx+b} is the slope its the number "M" that is multiplied by x, and "b" is the y-intercept {That is the point where the line crosses the x axis.

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The perimeter of a triangular plot of land is 2400ft . the longest side is 200 ft less than twice the shortest. the middle side

Lisa [10]

I'm not certain but I'm pretty sure it's 1000+600+800=2400
T=1000= the longest side
S=1/2 (t+200)=600= shortest side
M=t-200=800=middle side.

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3 years ago

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docker41 [41]

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Step-by-step explanation:

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Inessa [10]

Answer:

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Step-by-step explanation:

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1 year ago

How much money does the average professional hockey fan spend on food at a single hockey game? That question was posed to 10 ra

Vinil7 [7]

Answer:

Now we have everything in order to replace into formula (1):

$18-2.262\frac{2.75}{\sqrt{10}}=16.03$

$18+2.262\frac{2.75}{\sqrt{10}}=19.97$

Step-by-step explanation:

Information given

$\bar X=18$ represent the sample mean

$\mu$ population mean (variable of interest)

s=2.75 represent the sample standard deviation

n=10 represent the sample size

Confidence interval

The confidence interval for the mean is given by the following formula:

$\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}$ (1)

The degrees of freedom are given by:

$df=n-1=10-1=9$

The Confidence is 0.90 or 90%, the significance is $\alpha=0.1$ and $\alpha/2 =0.05$ , and the critical vaue would be $t_{\alpha/2}=2.262$

Now we have everything in order to replace into formula (1):

$18-2.262\frac{2.75}{\sqrt{10}}=16.03$

$18+2.262\frac{2.75}{\sqrt{10}}=19.97$

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3 years ago

How do I solve this

solniwko [45]

There is your answer

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3 years ago