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alekssr [168]
3 years ago
8

Fibd the distance and midpoint between each pair of points. C(-2,2) d(5,-3)

Mathematics
1 answer:
Anika [276]3 years ago
8 0

Answer:

D=\sqrt{10} or about 3.2  M=(1.5,-0.5)

Step-by-step explanation:

D=\sqrt{(x2+x1)^2 +(y2-y1)^2}   M=(\frac{x1+x2}{2} , \frac{y1+y2}{2} )

Lets find the distance first:

D=\sqrt{(5+-2)^2 + (-3+2)^2}

D=\sqrt{(3)^2+(-1)^2}

D=\sqrt{9+1}

D=\sqrt{10}

D is about = 3.2

Lets find the midpoint now:

M= (\frac{-2+5}{2} , \frac{2+-3}{2} )

M=(\frac{3}{2} ,\frac{-1}{2} )

M= (1.5,-0.5)

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jeka94

Answer:

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b) The variance of the probability distribution = 0.3

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Step-by-step explanation:

a) Data and Calculations:

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4          0.014             0.056       -0.513           0.26317

5          0.009          0.045       -0.524           0.27458

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