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Ann [662]
3 years ago
11

Please help!! second time posting !! algebra question, about functions!

Mathematics
1 answer:
kodGreya [7K]3 years ago
6 0

Answer:

steps below

Step-by-step explanation:

y = (x-3) / x

replace x and y:    x = (y-3) / y

y - 3 = xy

y - xy = 3

y(1 - x) = 3

y (f'(x)) = 3 / (1-x)

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Help me giving all good reviews!!
Nikolay [14]

Answer:

152

Step-by-step explanation:

We need to find how many people like dogs but not cats. We can see that 152 people wrote that they like dogs. The other options were that they liked cats, both or neither. So we can assume that the 152 people that picked dogs do not like cats as there is no other option. So this is the answer. Also, you can create a venn diagram with this.

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6 0
2 years ago
In a random sample of fivefive microwave​ ovens, the mean repair cost was ​$75.0075.00 and the standard deviation was ​$13.0013.
Radda [10]
<h2>Answer with explanation:</h2>

As per given , we have

Sample size : n= 5

Degree pf freedom = : df= 5-1=4

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Significance level for 90% confidence = \alpha=1-0.90=0.1

Using t-value table , t-critical value for 90% confidence:

t_{\alpha/2, df}=t_{0.05, 4}=2.132.

Margin of error of \mu: E=t_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}\\\\(2.132)\dfrac{13}{\sqrt{5}}=12.3949720129\approx12.39

Interpretation : The repair cost will be within $12.39 of the real population mean value \mu 90% of the time.

7 0
3 years ago
You buy 3.18 pounds of apples, 1.25 pounds of pears, and 2.67 pounds of oranges. What is your total bill rounded to the nearest
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Answer:

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8 0
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AlladinOne [14]
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3 years ago
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