9) yes it is similar : it does not have to be congruent
10) scale factor: 2 (inside) :3 (outside)
11) ratio: 16 (inside) : 24 (outside)
12) Yes they are similar
hope this helps
Answer:
Will you try to please repost it so i can better answer it and try to reword it some because it's a bit confusing for those who want to help me
Answer:
x = 3
Step-by-step explanation:
cambia los signos : x - 2x-1=8-3x-3
like terms : -x-1=5-3x
variable: -x+3x=5+1 --> 2x=6
dividir: x=3
You need to win 30 matches in a row to raise its winning percentage to 90%
Answer: c=2.38
Step-by-step explanation: