2 answers:
Answer:
15. x=35
16. x=20
17. x=19, y=110
18. x=25, y=90
19. x=28, y=52, z=80
20. x=60, y=70, z=130
21. CA<CB<AB
Step-by-step explanation:
Brainliest please!
Answer:
Step-by-step explanation:
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The answer is perpendicular to the base.
Step-by-step explanation:
Hello,
We can not divide by 0.
==> x+4.5≠0
==>x≠-4.5
dom f=R\{4.5}
