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

A total of 1056 students from different schools enter the country science fair. Each school enters exactly 32 students. how many schools participate in the scie

Steve gets himself a couple of drinks at his favorite pub, every day after work, in order to reduce his stress. steve is engaging himself in _____ coping.

What event from his earliest life makes scyld scefing rise to power all the more remarkable?

Larry is taking a walk in the park. The pollen in the air makes him sneeze constantly. What line of defense is his immune system exhibiting?

Describe the motion of a particle with position (x, y) as t varies in the given interval. x = 3 + 2 cos(t), y = 3 + 2 sin(t), π/2 ≤ t ≤ 3π/2

Which sentence contains a supporting detail that answers the question when? In 1867, the United States bought Alaska from Russia for about $7 million. Many Ame

____were responsible for the most deaths during ww1

Select the verb form that correctly completes this conversation. Alex: ¿Puedo escribir en tu cuaderno? Lupe: No, no __________ en mi cuaderno. escribas escribe

Please help my last question

When performing cpr on a child victim, give ____ breath(s) after every 30 compressions?