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JulsSmile [24]
2 years ago
12

Pls help.

Mathematics
1 answer:
malfutka [58]2 years ago
3 0

Answer:

See below

Step-by-step explanation:

(x,y )  will transform to  ( y, -x)

so all of the coordinates will be   (clockwise from top left)

5,-2   5,-4    4,-4     4,-3   2,-3   2,- 2

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In what situation would you use an ANOVA statistical test over T-test?
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Step-by-step explanation:

when means of more than two groups are to be compared, ANOVA is perferred

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you are a grocery store you buy 4 cans of soup for 5 dollars how much would you pay for 6 cans of soup
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Answer:

5.75

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3 years ago
Read 2 more answers
In an Algebra II class with 135 students, the final exam scores have a mean of 72.3 and standard deviation 6.5. The exams on the
gregori [183]
Population = 135 students
Mean score = 72.3
Standard deviation of the scores = 6.5

Part (a): Students from 2SD and 3SD above the mean
2SD below and above the mean includes 95% of the population while 3SD includes 99.7% of the population.
95% of population = 0.95*135 ≈ 129 students
99.7% of population = 0.997*135 ≈ 135 students

Therefore, number of students from 2SD to 3SD above and below the bean = 135 - 129 = 6 students.
In this regard, Students between 2SD and 3SD above the mean = 6/2 = 3 students

Part (b): Students who scored between 65.8 and 72.3
The first step is to calculate Z values
That is,
Z = (mean-X)/SD
Z at 65.8 = (72.3-65.8)/6.5 = 1
Z at 72.3 = (72.3-72.3)/6.5 = 0
Second step is to find the percentages at the Z values from Z table.
That is,
Percentage of population at Z(65.8) = 0.8413 = 84.13%
Percentage of population at (Z(72.3) = 0.5 = 50%
Third step is to calculate number of students at each percentage.
That is,
At 84.13%, number of students = 0.8413*135 ≈ 114
At 50%, number of students = 0.5*135 ≈ 68

Therefore, students who scored between 65.8 and 72.3 = 114-68 = 46 students
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3 years ago
What is the negation of the statement "All burnt muffins are not edible"
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Answer:

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Step-by-step explanation:

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traingle ABC has been dilated aboit point A by a scale factor of 1/3. What are the lengths, in units, of the three sides of tria
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You need to show the graph so i can see numbers, you cant dilate the traingle without knowing where it is on the graph.

Step-by-step explanation:

4 0
3 years ago
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