Answer:
27
Step-by-step explanation:
Answer:
like for division?????????
I'll do one, you can use it as a basis for your answer.
![7x ^{2} + 6 = 13](https://tex.z-dn.net/?f=7x%20%5E%7B2%7D%20%20%20%20%2B%206%20%3D%2013)
Subtract 6 from both sides to get X by itself.
![7x ^{2} = 7](https://tex.z-dn.net/?f=7x%20%5E%7B2%7D%20%20%3D%207)
Now we divide by 7 for both sides as well.
![x {}^{2} = 1](https://tex.z-dn.net/?f=x%20%7B%7D%5E%7B2%7D%20%20%3D%201)
Now we find the square root of 1 to figure out X.
![\sqrt{1} = 1](https://tex.z-dn.net/?f=%20%5Csqrt%7B1%7D%20%20%3D%201)
Therefore, X=1.
my first answer in about a month. hope this helped.
125x = 25
x = 0,2
There you go :)
In this problem, volume is computed:
volume = ∫(flow rate)·dt
.. = ∫[0, t] (3/10)*sin(2πt/7)·dt
= (3 / 10)*(7 /(2 π))*(-cos (2 π t/7)+1)
= (-21 / (20 π))*(cos (2 π t /7) - 1)
Volume is equal to 21 sin^2 (pit/7) / 10pi is the inhaled air in the lungs at time t