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liraira [26]
3 years ago
12

A ladder is sliding down a wall so that the distance between the top of the ladder and the floor is decreasing at a rate of 9 fe

et per second. How fast is the base of the ladder receding from the wall?
Mathematics
1 answer:
bixtya [17]3 years ago
4 0
Use Pythagorean theorm

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Answer:

Option C and Option D have exactly one solution.

Step-by-step explanation:

The equation will have exactly one solution when it completely solves and we get value of x.

Checking all choices

(Choice A)

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