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Elodia [21]
3 years ago
5

I need help.........​

Mathematics
1 answer:
Fynjy0 [20]3 years ago
4 0

9514 1404 393

Answer:

  • s = 17
  • t = 5

Step-by-step explanation:

The midpoint formula is useful here. For midpoint M, we have ...

  M = (C + D)/2

  2M = C + D

  2(10, 10) = (15, s) +(t, 3)

  (20, 20) = (15+t, s+3)

  t = 20 -15 = 5

  s = 20 -3 = 17

__

<em>Check</em>

  (C +D)/2 = ((15, 17) +(5, 3))/2 = (20, 20)/2 = (10, 10) . . . checks OK

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