Which is TRUE?

Mathematics

1 answer:

seraphim [82]3 years ago

8 0

Answer:

c a expression never has a equal sign

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Complete question

A 29-meter ladder is sliding down a vertical wall so the distance between the top of the ladder and the ground is decreasing at 7 meters per minute. At a certain instant, the bottom of the ladder is 21 meters from the wall.

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$\frac{dx}{dt}=11.94m/min$