If the discriminant of a quadratic equation, given by B^2-4AC is positive, it has 2 real solutions. If 0, it has 1 real solution and if negative it has 0 real solutions.
Answer:
A
Step-by-step explanation:
there could be no red cards inside
Answer:
They should walk on a bearing of 59.4 degrees
Step-by-step explanation:
Given


Required
The bearing back to the base
The given question is illustrated with the attached image.
To do this, we simply calculate the measure of angle a using:



Take arctan of both sides


74.4 is the answer.
hope this helps.
Answer
75r^4 t^2 + 25r^4 t^6