Answer:
the top one
Step-by-step explanation:
the only y one with negative 2
Answer:
[−5,5]
Step-by-step explanation:
Answer:
You typically apply the same rules as you would for 'regular' fractions.
So you can multiply numerator and denominator by the same value if needed. If you want to add fractions you must make sure the denominators are the same, etc.
The value you multiply by can be an algebraic expression.
Answer:
Csc(5(pi)/4)
Csc(340 degrees)
Step-by-step explanation:
Answer:
379.72 meters
Step-by-step explanation:
At first, the balloon was 300 m away at 25°, so its height can be determined as:

After 5 minutes, the balloon was at 60°, so its height can be determined as:

To find the distance traveled by the balloon during that period, simply subtract the second height by the first one:

The balloon traveled 379.72 meters in that time.