Answer:
Step-by-step explanation:
Answer:
The pressure is ![20\ psi](https://tex.z-dn.net/?f=20%5C%20psi)
Step-by-step explanation:
we know that
A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form
or ![y=k/x](https://tex.z-dn.net/?f=y%3Dk%2Fx)
In this problem we have
![V*P=k](https://tex.z-dn.net/?f=V%2AP%3Dk)
where
V is the volume of a gas at a constant temperature
P is the pressure
we have
For
,![P=25\ psi](https://tex.z-dn.net/?f=P%3D25%5C%20psi)
step 1
Find the value of k
substitute the values of V and P
![100*25=k](https://tex.z-dn.net/?f=100%2A25%3Dk)
![k=2,500](https://tex.z-dn.net/?f=k%3D2%2C500)
The equation is equal to ![V*P=2,500](https://tex.z-dn.net/?f=V%2AP%3D2%2C500)
step 2
Find the pressure when the volume is 125 cubic inches
For ![V=125\ in^{3}](https://tex.z-dn.net/?f=V%3D125%5C%20in%5E%7B3%7D)
substitute in the equation and solve for P
![125*P=2,500](https://tex.z-dn.net/?f=125%2AP%3D2%2C500)
![P=2,500/125=20\ psi](https://tex.z-dn.net/?f=P%3D2%2C500%2F125%3D20%5C%20psi)
Answer:
1.97-20= -18.03
20-1.97= 18.03
Step-by-step explanation:subtract the numbers from each other.
Answer:
Step-by-step explanation:
18 7/8 - 14 7/9
18 63/72 - 14 56/72
= 4 7/72
answer is B
Answer:
Step-by-step explanation:
180 - 67 = 113
180 - 113 - 42 = 25
α = 25º