Sqrt(x) - 5+7 =11
combine like terms
-5 +7 = 2
sqrt(x) + 2 = 11
subtract 2 from each side
sqrt(x) = 9
square both sides
x = 9^2
x = 81
an extraneous solution would be an invalid solution
in this case it is not an extraneous solution
Answer: 57
I'm pretty sure that's what it is
Step-by-step explanation:
Answer:
B) 13+14 (n - 1)
Step-by-step explanation:
this is an arithmetic sequence
13 represent the first term
14 is a constant difference
9/20 is your answer! Have a nice day and maybe even consider a brainliest!
Answer: D
The only answers i found- hope it helps!
