Answer:
(-1;-3)
Step-by-step explanation:

Answer:
80 did i go fast enough
Step-by-step explanation:
Answer:
The answer is 2
Step-by-step explanation:
First we know 2x is being multiplied by 3 so we divide 12 by 3 to get 4
2x = 4 means x =2
Hope this helps!
Answer:
Step-by-step explanation:
<em>The lines form legs of a right triangle, so the distance between the cars is the hypotenuse</em>
<u>The lines at t hours are:</u>
<u>So the distance d is:</u>
- d = √(70t)²+(45t)² = √4900t²+2025t² = √6925t² = 83.22t
- d = 83.22t