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Sedbober [7]
4 years ago
6

So I don’t know how to change to coordinates to this rotation??

Mathematics
1 answer:
DochEvi [55]4 years ago
4 0
(-y,x) is the easy way to do it when it’s around the origin. J’(3,-5) K’(2,-1) L’(4,-3)
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What does a standard score measure?
s2008m [1.1K]

Answer:

Option D) The number of standard deviations a measurement is from the mean

Step-by-step explanation:

Standard Score:

  • Standard score is also known as the z-score, z-value, normal scores or the standardized score.
  • It tells us about the values of standard deviations by which the value of data point is above or below the mean value.
  • The standard score for a data point may be negative or positive.
  • It is obtained by subtracting the population mean from the data point and then dividing it by the population standard deviation.
  • z = \displaystyle\frac{x-\mu}{\sigma}
  • It is known as standardization or normalization.

Thus, standard score can be defined as:

Option D) The number of standard deviations a measurement is from the mean

5 0
3 years ago
Answers for questions 24 and 25 please explain
wel
24. The answer is D ,because trapezoids don't have equal sides, parallelograms don't have 5 sides, and they don't all have the same angles. Each side is the same length
7 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the point of intersection of the lines y = 2x − 5 and y = −x + 1, and is al
Arisa [49]
Y=1/2x-2

To find the point where the two lines intersect they are set equal to each other so that x can be found:
2x-5=-x+1
2x+x=1+5
3x=6
x=2

If x is known, x can be plugged into one of the two equations to find y.
y=-x+1=-2+1=-1

This means the point where they intersect is (2,-1).
We also know that the slope has to be 1/2 because the slope has to match the slope of the line it is parallel to.

Putting this into point slope form, we get:
(y-(-1))=1/2(x-2)

Which can be simplified into slope intercept form:
y+1=1/2x-1
y=1/2x-1-1
y=1/2x-2
5 0
3 years ago
patrick bought a soccer ball initially priced at $85. The ball was put on sale for $71.40. What precent of the original price wa
Misha Larkins [42]

Answer:

16%

Step-by-step explanation:

$85 - $71.40 = $13.60

\frac{13.60}{85}  \times 100

= 16%

4 0
3 years ago
What are the factors of 35,56,and 60
Len [333]
I hope this helps you

4 0
3 years ago
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