3 years ago

Somebody please help I need to know how to do this for a big test.

Mathematics

1 answer:

Valentin [98]3 years ago

4 0

No because 3 can go into 63 evenly and the denominator would be left the same.

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ki77a [65]

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A 5-meter ladder is leaning against the side of a house. The foot of the ladder is pulled away from the house at a rate of 0.4 m

Flura [38]

<h2>The top of the ladder is descending at 0.3 m/s.</h2>

Step-by-step explanation:

By Pythagoras theorem we know that

Hypotenuse² = Base² + Perpendicular²

h² = b² + p²

We have for ladder

h = 5 m

b = 3 m

5² = 3² + p²

p = 4 m

$\frac{db}{dt}=0.4m/s\\\\\frac{dh}{dt}=0$

Differentiating h² = b² + p² with respect to time

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The top of the ladder is descending at 0.3 m/s.

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Ulleksa [173]

135,000 divided by 6000 =22.5
x = 22.5

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