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Answer:
Sir Bedivere being contemplative
Explanation:
I just took the quiz on E2020.
Variation can be direct, inverse or joint.
The value of B when a = 48 and c = 4 is 8
The joint variation is represented as:
![A \ \alpha\ BC](https://tex.z-dn.net/?f=A%20%5C%20%5Calpha%5C%20BC)
Express the variation as equation
![A = kBC](https://tex.z-dn.net/?f=A%20%3D%20kBC)
Make k the subject of the formula
![k= \frac{A}{BC}](https://tex.z-dn.net/?f=k%3D%20%5Cfrac%7BA%7D%7BBC%7D)
If a = 24 when b = 8 and c = 2, we have:
![k = \frac{24}{8 \times 2}](https://tex.z-dn.net/?f=k%20%3D%20%5Cfrac%7B24%7D%7B8%20%5Ctimes%202%7D)
![k = \frac{24}{16}](https://tex.z-dn.net/?f=k%20%3D%20%5Cfrac%7B24%7D%7B16%7D)
![k = 1.5](https://tex.z-dn.net/?f=k%20%3D%201.5)
So,
becomes
![A = 1.5BC](https://tex.z-dn.net/?f=A%20%3D%201.5BC)
Make B the subject
![B = \frac{A}{1.5C}](https://tex.z-dn.net/?f=B%20%3D%20%5Cfrac%7BA%7D%7B1.5C%7D)
When a = 48 and c = 4, we have:
![B = \frac{48}{1.5 \times 4}](https://tex.z-dn.net/?f=B%20%3D%20%5Cfrac%7B48%7D%7B1.5%20%5Ctimes%204%7D)
![B = \frac{48}{6}](https://tex.z-dn.net/?f=B%20%3D%20%5Cfrac%7B48%7D%7B6%7D)
Divide
![B = 8](https://tex.z-dn.net/?f=B%20%3D%208)
Hence, the value of B is 8
Read more about variation at:
brainly.com/question/11544031
Answer:
C
Explanation:
The two z angles form a 90° angle so one z angle would be 45°
5.00 M = 5.00 mol/L
750 mL = 0.750 L
Therefore, 5.00 mol/L x 0.750 L = 3.75 mol