Answer:
7.5 = OM
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
sin theta = opposite side / hypotenuse
sin 30 = OM / UN
sin 30 = OM / 15
15 sin 30 = OM
7.5 = OM
Answer:
sound will travel 30,600 meters in a minute and a half
Step-by-step explanation:
basically you are going to multiply how many meters sound travels in a second by 90 seconds which is also equal to a minute and a half
to make sure the answer is more accurate use a calculator
the answer is 30,600 meters
34,000 people
17,000 (0.4)^5 is how I did it