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Marina86 [1]
3 years ago
9

Is the relation a function? Why or why not?

Mathematics
2 answers:
nata0808 [166]3 years ago
7 0
Yes because for one Input there is only one output
Vladimir [108]3 years ago
6 0

Answer:

Yes, only one range value exists for each domain value.

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What is the Expected value of the probability distribution also called?
Fittoniya [83]

Answer:

The expected value is also known as the expectation, mathematical expectation, mean, average, or first moment.

8 0
3 years ago
In response to a gss question in 2006 about the number of hours spent per day watching television, the responses by the fifteen
NemiM [27]

Answer:

Standard error = 0.4

Step-by-step explanation:

Step 1

We find the Standard Deviation

The formula = √(x - mean)/n - 1

n = 15

Mean = 1.93 hours

= √(0- 1.93)² + (0-1.93)² +(0- 1.93)²+( 0- 1.93)²+ (1- 1.93)² + (1- 1.93)² +(1 - 1.93)² +(2 - 1.93)² + (2 - 1.93)² + (2 - 1.93)² + (2 - 1.93)² + ( 2 - 1.93)² +(4 - 1.93)² +(4 - 1.93)² + (5 - 1.93)²/15 - 1

= √(3.737777776 + 3.737777776 + 3.737777776 + 0.871111111 +0.871111111 + 0.871111111 + 0.004444444445+ 0.004444444445 + 0.004444444445 + 0.004444444445 + 0.004444444445 + 1.137777778 + 4.271111112 + 4.271111112 + 9.404444446)/15 - 1

= √2.352380952

= 1.533747356

Step 2

We find the standard error

The formula = Standard Deviation/√n

Standard deviation = 1.533747356

n = 15

= 1.533747356/√15

= 1.533747356 /3.87298334621

= 0.39601186447

Approximately = 0.4

Therefore, the standard error is 0.4

4 0
3 years ago
Can someone please help on sales tax
sesenic [268]
9%  is equivalent to 9 / 100 = 0.09 as a decimal fraction.

So the tax on $3,000  = 3000 * 0.09  = $270

B
8 0
3 years ago
3³+1x9+12 answer please, I really think it's 48.
UNO [17]

Answer:

You are correct the answer is 48.

Step-by-step explanation:

To begin solving this question you would want to start simplifying it to make it more understandable.

3^3 is 27 which now gives you 27 + 1 x 9 +12 which makes it easier to solve.

Then you would take 1 x 9 = 9 (multiply left to right)

Now it is simple addition

27 + 9 + 12 = 48

Hopefully this helps.

6 0
4 years ago
Read 2 more answers
(X+9)(x-2)-9x-6 equivalen to
Inessa [10]

Answer:

hrheje

Step-by-step explanation:

bdhsjsiskskdkdhdhennsjss

6 0
4 years ago
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