Answer:
there is one real solution
Step-by-step explanation:
use the quadratic formula. what is in the square root is called the discriminant.
since it came out to 0 there is one real solution
Answer:
7.5 hours (7 hours and 30 minutes)
Step-by-step explanation:
ok Let's start with 64km/h.
1.6 km=1 mile,
64÷1.6=40miles
so 64km/h changes into 40miles/hour.
Zebras's round trip =300miles,
300/40=7.5
so answer is 7.5 hours.
Answer:
o.25 or (2
Step-by-step explanation:
Answer:

Step-by-step explanation:
You are correct down to the part where you add the partial results:

Answer:
(5√5)(6√4) = 5 * √5 * 6 * 2 = 60*√5