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Shkiper50 [21]
2 years ago
11

What is the domain of this function? 

Mathematics
1 answer:
hichkok12 [17]2 years ago
5 0

Answer:

no real numbers

Step-by-step explanation:

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20. Solve the equation. Show your work. 45 = 3b + 69
valkas [14]
1. 3b + 69 = 45
2. 3b = 45 - 69
3. 3b = -24
4. 3b/3 = -24
5. b = -24/3
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answer is b = -8
8 0
3 years ago
The per capita electric power consumption level in a recent year in Ecuador is normally distributed, with a mean of 471.5 kilo-w
Olin [163]

Answer:

a) 471.5 kilo-watt hours.

b) 31.76 kilo-watt hours

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For the population:

Mean 471.5 kilo-watt hours.

Standard deviation of 187.9 kilowatt-hours.

For the sample:

Sample size of 35, by the Central Limit Theorem:

a) Mean

471.5 kilo-watt hours.

b) Standard deviation

s = \frac{187.9}{\sqrt{35}} = 31.76

31.76 kilo-watt hours

7 0
3 years ago
Please help me i really need help
Aleks [24]

Answer:

The answere is C

Step-by-step explanation:

6 0
2 years ago
What is the area of this figure
solmaris [256]

Answer:

Step-by-step explanation:

3(3) = 9

15-3=12

12(9)= 108

7(9)=63

ans : 183

4 0
3 years ago
1.hi students I have a question for you
katen-ka-za [31]

Answer:

the answer of given question is $400.

6 0
2 years ago
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