Answer:
{-2, 1}
Step-by-step explanation:

Make the fractions have a common denominator.

Now that both sides of the equation have a common denominator, you can cancel out the denominators.

Now, set the equation equal to zero and factor.

The y-values are {-2, 1}
Answer:
Step-by-step explanation:
It can be between 90° and 180°
10:4,9:7 =
10:0,7 =
100:7 = 14,2857
DC-10
At t=0 the altidude is 4500 feet
It's descending at a rate of 150 feet per minute, then each 5 minutes it descends (150 feet/min)(5 min)=750 feet. Then:
At t=5 the altitude is 4500 feet-750 feet=3750 feet
At t=10 the altitude is 3750 feet-750 feet=3000 feet
727
At t=0 the altidude is 600 feet
It's climbing at a rate of 75 feet per minute, then each 5 minutes it climbs (75 feet/min)(5 min)=375 feet. Then:
At t=5 the altitude is 600 feet+375 feet=975 feet
At t=10 the altitude is 975 feet+375 feet=1350 feet
The graph with these characteristics is Graph B.
Answer: The graph B shows when the two planes will be at the same altitude