Replace x with 18, solve the equation. If it equals -4 it’s a solution.
Y = -6(18) - -87
Y = -108 + 87
Y = -21
-21 does not equal -4 so (18,-4) is not a solution.
Answer:
6.
Step-by-step explanation:
Source: Desmos.
When the points are plotted, the shape is a polygon. The polygon has 6 sides.
Picture represents the polygon shape, and its sides
Call the number of children
c
and adults
a
you have:
c
+
a
=
481
and
1.25
c
+
2.25
a
=
865.25
Try to solve this system to find
c
and
a
.
Given t=gh/10
gh=10t
h=10t/g