Answer:
x=0 and x=-1
Step-by-step explanation:
Given: x^2+x=0
Factor: x(x+1)=0
Use Zero Product Property: x=0 and x+1=0
Therefore, x=0 and x=-1
Do you know how many degrees an angle is?
If it takes 2 1/2 hours going 48 mph we can figure out how many miles it was with
2 1/2*48=120
they went 120 miles to the lake
now they are going back the 120 at 40 mph
120/40=3
it took 3 hours for the return trip
Answer:
Area of the rectangle = 144 square inches
Step-by-step explanation:
Area of a rectangle = length × width
Width = 4 inches
Length = 3 feet
1 feet = 12 inches
3 feet = 36 inches
Area of a rectangle = length × width
= 36 inches × 4 inches
= 144 square inches
Therefore,
Area of the rectangle = 144 square inches