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2 years ago

Find the distance between cities C and D to the nearest tenth

Mathematics

1 answer:

raketka [301]2 years ago

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The formula to find the distance between two points ( x1 , y1 ) and ( x2 , y2) is:

$d=\sqrt[]{(x2-x1)^2+(y2-y1)^2}$

we need to find the distance between C and D

first, find the coordinates of the points

The coordinates of the point C = ( 3 , 6 )

the coordinates of the point D = ( 6 , 9 )

then use the formula of the distance:

$d_{CD}=\sqrt[]{(6-3)^2+(9-6)^2}=\sqrt[]{3^2+3^2}=\sqrt[]{9+9}=\sqrt[]{18}=4.2426$

so, the distance between C and D to the nearest tenth = 4.2

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Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

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