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Lynna [10]
3 years ago
13

I need help with this question

Mathematics
1 answer:
IceJOKER [234]3 years ago
4 0

Answer:

D.

x= 18

RZ= 114

RT= 228

Step-by-step explanation:

  • so if Z is the midpoint of RT then that means Z divided RT in half
  • meaning RZ=ZT
  • so you now know what RZ is because ZT=114
  • and RT is just RZ+ZT so RT= 114+114 =228

the hard part is solving for x

  • if RT=ZT then 7x–12=114
  • start by adding 12 on both sides
  • you get 7x=126
  • then divide 7 on both sides
  • you get x=18
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