Answer:
i think it is: x=3/5
Step-by-step explanation:
hope it helps
 
        
             
        
        
        
Answer:
78
Step-by-step explanation:
help me with mine pls your smart
 
        
             
        
        
        
Answer:
the domain is -5 to infinity
Explanation:
f
(
x
)
=
√
x
+
5
 
A square root is 
≥
0
 
so 
x
+
5
≥
0
 
Here is a graph of the function
x
≥
−
5
g
r
a
p
h
{
√
x
+
5
[
−
10
,
10
,
−
5
,
5
]
}
 
        
             
        
        
        
By pythagorus theorum In triangle ADC 
AD²=AB²-BD²
AD²=(6.2)²-(2.7)²
AD=5.5
Again in triangle ADC
AC²=AD²+BC²
AC²=(5.5)²-(2.5)²
AC²=30.25-6.25
AC=4.8 approx..