Answer:

Step-by-step explanation:
We are given that

Side of base=4 cm
l=w=4 cm
Height,h=12 cm
We have to find the rate at which the water level rising when the water level is 4 cm.
Volume of pyramid=


Substitute the value

Differentiate w.r.t t

Substitute the values


Answer:
24.46
Step-by-step explanation:
Answer:
X=-4
Step-by-step explanation:
5x-10x=22-2
-5x=20
x=-4
Try this solution:
1. according to the condition

2. for more details see the attached graph.
Answer: [0;+oo)