Answer:
n=7
Step-by-step explanation:
I feel like you need the answer now so i'm not gonna write one.
We use the formula where d is distance, s is speed and t is time.
Therefore, a car would tracel 480 km.
Answer:
x=3 or x=−9
Step-by-step explanation:
Step 1: Subtract 27 from both sides.
x2+6x−27=27−27
x2+6x−27=0
Step 2: Factor left side of equation.
(x−3)(x+9)=0
Step 3: Set factors equal to 0.
x−3=0 or x+9=0
x=3 or x=−9
Answer:
x=3 or x=−9