If x = -7 then
<span>-3x+6y=-21
</span><span>-3(-7) +6y = -21
21 + 6y = -21
6y = -42
y = -7</span>
Answer:
x =
+ 4
Step-by-step explanation:
3x = 5m +15 - 3
3x = 5m + 12
x =
+
=
+ 4
Answer:
d) y = x-12
Step-by-step explanation:
x is the input
y is the output
d) 4 = 16 - 12
Answer:
5.50
Step-by-step explanation:
Answer:
121.21 people per square mile
Step-by-step explanation:
area = 1/2(12 + 21)(14) = 231 mi²
28,000/231 = 121.21 people per square mile