We need to know this:
If Δ > 0 we have two and different solutions
If Δ = 0 we just one solution
If Δ < 0 we don't have real solutions
Answer: x=-4
Step-by-step explanation:
Since the lines are parallel they have the same angle so you can set them equal to each other.
x+54=50
x=50-54
x=-4
Answer:
Step-by-step explanation:
The perimeter of a triangle is 72cm. The longest is 6cm less than sum of the other two sides. Twice the shorter side is 7cm than less than the longest side. Find the length of each side of the triangle
Answer:
how many does he have???
Step-by-step explanation:
Answer:
20.00 units
Step-by-step explanation:
The distance between two points with coordinates
(-20,6) and (-20,-14) is:
20.00 units
(results are in decimal form, rounded to the nearest 100th)