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

The ratio of the length of a rectangular house to the width of the house is 7:3. If the house is 2341 feet long, how wide is it

which is the setting where a person first learns to relate to others? A-in a peer group B-in a marriage C-in school D-in the family

How do you teach me how to do fractions

Yvetee uses 6 grams oftea leves to makes 24 fluid onces of tea last week she made 288 fluid onces of tea how many grams of tes leves did yvette use ti make tea

Which type of pollution comes from dust, dirt, and soot lingering in the air

What is 2,5 and 1,1 in standard form

What does bravado mean? agreat strength bsincere fear cgenuine belief dfalse courage

Which sentence in the passage can be used to conclude that eric lie a dwarf planet and not a planet ?

I need help on #8 please help..

What two things does the integumentary system do to help maintain our temperature?