Sorry I was wrong, I didn’t mean to get it wrong.
Step-by-step explanation:
In ∆ABC, m∠B = 90°
Therefore ∆ABC is a right angled triangle with sides AB = 4 & BC = 3. AC is the hypotenuse.
Hence, by Pythagoras theorem:

Answer:
k=a+7
Step-by-step explanation:
Take 1 k away from both sides. I hope you found this useful!
Answer: Se colocará 220 peces en cada pecera pero necesitaremos 1 pecera más para colocar los 7 peces restantes.
Step-by-step explanation:
4627/21=220.33....
21*220=4620
4627-4620=7 peces restantes en la última pecera