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Andreyy89
3 years ago
15

Point K is rotated 90". The coordinate of the pre-image point K was (2,6) and its image K' is at the coordinate (-6, -2) Find th

e direction of the rotation, The direction of rotation was ???​
Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
3 0

Answer:

Clockwise

Step-by-step explanation:

Sorry I answered late

gogolik [260]3 years ago
3 0

Answer:Clockwise

Step-by-step explanation:

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barxatty [35]

Answer:

The standard deviation of this probability distribution is 1.2.

Step-by-step explanation:

We have that:

P(X = 0) = 0.25

P(X = 1) = 0.3

P(X = 2) = 0.1

P(X = 3) = 0.35

Mean:

Each value multiplied by its probability. So

M = 0*0.25 + 1*0.3 + 2*0.1 + 3*0.35 = 1.55

Variance:

Sum of the squares of the values subtracted from the mean, and multiplied by its probability.

V = 0.25*(0-1.55)^2 + 0.3*(1-1.55)^2 + 0.1*(2-1.55)^2 + 0.35*(3-1.55)^2 = 1.4475

Standard deviation:

Square root of the variance. So

S = \sqrt{V} = \sqrt{1.4475} = 1.2

The standard deviation of this probability distribution is 1.2.

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Use the properties of exponents to rewrite the expression.<br> (3•6) ^2
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Step-by-step explanation:

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Step-by-step explanation:

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