That is negative since the elevator is decreasing. If the elevator was going up, it would be positive.
No I do not know how to do this
3 x + 7 = 2
3 x = 2 - 7
3 x = - 5
x = - 5/3
3 ( -5/3) + 7 = - 15/3 + 7 = - 5 + 7 = 2
Answer:
4 i think
Step-by-step explanation:
Answer:
<h2>1</h2>
Step-by-step explanation:
Use the Pythagorean theorem:

We have

Substitute:

<em>subtract 9 from both sides</em>

