Answer:
sound
Step-by-step explanation:
blind humans can detect things by speaking or clicking their stick the same way animals send waves of sound to see things in their path.
1,4
it’s y1-y2
———-
x1-x2
614.40 because 204.80 divided by 4 is 51.20 and 51.20 multiplied by 12 is 614.40
Answer: 3 is -4
Step-by-step explanation:
The z is 5
−2⋅<em>z</em>=−8+18
-
2
⋅
z
=
-
8
+
18
Simplify :
−2⋅<em>z</em>=10
-
2
⋅
z
=
10
Dividing by the variable coefficient :
<em>z</em>=−
10
2
z
=
-
10
2
Simplify :
<em>z</em>=−5
z
=
-
5
The solution of equation
2⋅<em>z</em>−18−4⋅<em>z</em>=−8
2
⋅
z
-
18
-
4
⋅
z
=
-
8
is
[−5]
