Answer:
25%
Step-by-step explanation:
Answer: d. The helicopter rotor will spin 36,000 times in 1 hour
Step-by-step explanation:
Option A is wrong because in 40 minutes the rotor will spin:
= 40 * 600
= 24,000 times
Option B is wrong because we cannot know the number of times the rotor will spin before being lifted off of the ground with the details given.
Option C is wrong because in 3 hours the rotor will spin:
= 600 * 3 * 60 minutes
= 108,000 times
Option D is correct because in 1 hour the rotor will spin:
= 600 * 1 * 60 mins
= 36,000 times
Answer:
You are able to use simplier numbers that can help you understand better
Step-by-step explanation:
The answer will be x^3-5. Hope it help!
Answer:

Step-by-step explanation:
remember that,
<u>if a side of a triangle is extended then exterior angle so formed equal to the sum of the two opposite interior </u><u>angles</u>
thus our equation is

cancel out 86° from both sides:

hence,
the measure of the missing angle is 49°