03/21/22

The dimension is 16 cm x 10 cm

An open rectangular box is to be constructed by cutting square corners out of a piece of cardboard whose dimensions are given below and folding up the flaps. What dimensions will yield a... more

03/13/22

A spotlight on the ground shines on a wall 12 m away.

A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks from the spotlight toward the building at a speed of 1.1 m/s, how fast (in m/s) is the length of his shadow on the... more

03/13/22

A cylindrical tank with radius 3 m is being filled with water at a rate of 4 m3/min. How fast is the height of the water increasing (in m/min)?

A cylindrical tank with radius 3 m is being filled with water at a rate of 4 m3/min. How fast is the height of the water increasing (in m/min)?

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