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saabrrinnaaa
28.07.2020 •
Mathematics
Solve for the variable x^2 - 8 = -1 Show all work please
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Ответ:
x = ±sqrt(7)
Step-by-step explanation:
x^2 - 8 = -1
Add 8 to each side
x^2 - 8+8 = -1+8
x^2 = 7
Take the square root of each side
sqrt(x^2) = ±sqrt(7)
x = ±sqrt(7)
Ответ:
If you read the question you can find that some requirements were missing. By Googling the Question the complete content could be found here:
https://www.chegg.com/homework-help/questions-and-answers/ved-restore-nu-sge-essments-testnavaspx-idassessment-1591215-idwebuser-30156018idsection-1-q44055003
The relative frequencies missing in the table are :
ham-wheat = 0.231, cheese-wheat = 0.0.462.
rye-turkey = 0.167, rye-ham = 0.417.
Step-by-step explanation:
From the given data we have to count the frequencies of wheat and rye chosen to find the missing values.
The frequency of wheat chosen = 13.
The frequency of rye chosen = 12.
Relative Frequency can be obtained by dividing the combined frequency by the total number of data values.
Wheat combinations:
1) The frequency of ham-wheat = 3.
Then the relative frequency of ham-wheat =
.
The the relative frequency of ham-wheat = 0.230769 or 0.231.
2) The frequency of cheese-wheat = 6.
Then the relative frequency of cheese-wheat =
.
The the relative frequency of cheese-wheat = 0.4615 or 0.0.462.
Rye combinations:
1) The frequency of rye-turkey = 2.
Then the relative frequency of rye-turkey =
.
The the relative frequency of rye-turkey = 0.1666 or 0.167.
2) The frequency of rye-ham = 5.
Then the relative frequency of rye-ham =
.
The the relative frequency of rye-ham = 0.41667 or 0.417.