Answer:
x=-16
Step-by-step explanation:
Subtract 4 from both sides
x+4-4=-12-4
x=-16
If segment AB is perpendicular to segment CD, then a right angle (90°) is formed.
7x + 27 = 90
7x = 63
x = 9
Answer:
A) Yes, because there is a steady correlation between the 2 variables
B) After 2 hours, they have traveled 100 miles
C) After 5 hours, they traveled 250 miles
D) After 1 Hour, they traveled 50 miles
In conclusion, for every hour of time, they travel a comstant speed of 50 miles.
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