The answer to this would be 5x+6>=21. Just wanted points :P
Answer:
t= -0.18
Step-by-step explanation:
Isolate t to get the unknown number:
(-4.5t)(49.5t) = 40
Multiply (-4.5t)(49.5t):
(-4.5t)(49.5t) = -222.75t
Now, write full equation:
-222.75t = 40
Isolate t by dividing -222.75 on both sides:

Cancel out left hand side:

Simplify your answer:

Approximate to 2 decimals:

Answer:
Step-by-step explanation:
Speed = distance/time
Speed = 50/4
Speed = 12.5
Your answer is C!!!
You plug it in so it’ll be 11; 8; 5; 2