19.79 should be the correct answer?
Answer:
what line are you talking about
18 = x
__ __
5 4
x = 18•4 / 5
72/5 = 14.4 final answer
Answer:
Answer below
Step-by-step explanation:
4(x−1)
2
=10−2
4(x−1)
2
=8
(x−1)
2
=
4
8
(x−1)
2
=2
x −1=±√
2
x−1=√
2
x-1=-\sqrt{2}x−1=−√
2
x=√
2
+1
x=−√
2
+1
x=√
2
+1,−√
2
+1
5×2+8-4+1=15
cause
5×2=10
10+8=18
18-4=14
14+1=15
