An inverted pyramid is being filled with water at a constant rate of 70 cubic centimeters per second. The pyramid, at the top, has the shape of a square with sides of length 8 cm, and the height is 15 cm. Find the rate at which the water level is rising when the water level is 4 cm.

Step-by-step explanation:

Rate of Water Fill

Length

Height

Water level

Generally the equation for relationship b/w h and a is mathematically given by

Since by the properties of similar triangles

Let

Therefore

Generally the equation for volume of Pyramid is mathematically given by

Subsitute a

Therefore

Since

Therefore

the answers c

$650 per month plus utilities

step-by-step explanation:

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