Answer: =21x+3
Step-by-step explanation:, Ok so Let's simplify step-by-step.
8x+10+13x−7
=8x+10+13x+−7
Combine Like Terms:
=8x+10+13x+−7
=(8x+13x)+(10+−7) so your answer would be =21x+3
Answer:
Step-by-step explanation:
577.144
Answer:
The rocket will hit the floor at 9.57 seconds
Step-by-step explanation:
Given

Take off height = 30ft
Initial velocity= 150ft/s
Required [Missing from the question]
Time to hit the ground
The rocket will hit the ground at:

So, we have:

Rewrite as:

Solve using quadratic formula, we have:

Where:

So, we have:




Split:


Time cannot be negative;
So:


<em>Hence, the rocket will hit the floor at 9.57 seconds</em>
The answer i x=4/99 (fraction form )