michaelfiloram3565 michaelfiloram3565
  • 22-11-2017
  • Mathematics
contestada

A 10-ft ladder is leaning against a house when its base starts to slide away. by the time the base is 3 ft from the house, the base is moving at the rate of 7 ft/sec.

Respuesta :

AbuShosha AbuShosha
  • 22-11-2017
100 = x^2 + y^2
So
2 x dx/dt + 2y dy/dt =0
So
dy/dt = -x/y dx/dt
= -x/sqrt(100-x^2) * 7 At x=3
Answer Link

Otras preguntas

Explain why purely competitive markets tend to benefit consumers over producers.
What complicated the task of predicting Spanish America's future?
A store offers a 15% discount on a skirt. If Bernice pays $40.80 for the skirt, what was the list price of the skirt before the discount? 1. $61.00 2. $48.00 3.
A cold drink bottle of 500 ml weight 25g .when a liquid is filled in it ,it weight 80g .find the density of liquid .
Each enzyme produced by the body is A. specific—meaning it is only able to catalyze a reaction with a certain molecule. B. immature—meaning it cannot catal
A cell phone has more mass than a feather because it
According to Darwin, which of the following creatures would be most likely to survive? A. A beetle without any camouflage who is easily seen by its prey B. A be
How did the English settlements in America affect the Indians
Does the density of a gas depend on the molar mass of a gas?
Edwina has two sticks...