The price of a table is $360 if the price is reduced by 20% what is the price of the table after the discount
2 answers:
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Answer:
<em>The first step is to determine the average </em>
<em>The exercise says it’s a normal distribution: (n=8)</em>
<em>According to the exercise, the mean is equal to 0,5 then the value of t of the distribution can be obtained </em>
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<em>The variable t has 7 grade to liberty, we calculate the p-value as: </em>
This value is very high, therefore the hypothesis is not rejected
According to the information given in the exercise, the following expression represents the area of the rectangular garden:
And the following expression represents the combined area of the walkway around the rectangular garden and the area of the garden:
You can identify that the word "combined" indicates that that expression was obtained by adding both areas.
Knowing the above, you can set up the following equation:
Where "A" is the area of the walkway around the rectangular garden.
Solving for "A", you get the following expression:
The answer is: