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22-04-2019
Mathematics

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Please help with this question, please! I don't understand it....

Please help with this question please I dont understand it class=

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Аноним Аноним

27-04-2019

Answer:

The third option is correct: 5.7 units, M(7, 5, 2.5).

Step-by-step explanation:

The distance is √ [(9-5)^2 + (7-3)^2 + (3-2)^2 ]

= √ (16 + 16 + 1)

= √33

= 5.7.

The mid point = (9+5)/2 , (7+3)/2, (3+2)/2

= (7, 5, 2.5).

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