Answer:
10⁴ seconds
Step-by-step explanation:
Given that,
A person breathes
in about cubic meters of air per second.
We need to find time taken to breathe 2.5 cubic meters of air.
In 1 sec =
m³ of air breathe
Let in x seconds, 2.5 m³ of air taken by the person.

Hence, in 10⁴ seconds 2.5 m³ of air is taken by the person.
Answer: yes
Step-by-step explanation:
Trigonometry:
Sine 75 = x/ 9
x = 9 Sine 75
x = 8.7
Answer:
55% because 1815 divided by 3300 is .55, and .55 is 55%
Answer:
Should be 25
Step-by-step explanation: