29-03-2017
Mathematics

contestada

the length of a rectangle is twice the width. the area is 512yds^2 find length and width

Respuesta :

jdoe0001 jdoe0001

29-03-2017

so.. hmm notice the picture below

since we know the length is twice "w" or 2w then

[tex]\bf A=(2w)(w)\qquad A=512\implies 512=(2w)(w) \\\\\\ 512=2w^2\implies \cfrac{512}{2}=w^2\implies \sqrt{\cfrac{512}{2}}=w[/tex]

what's the length? well, 2w

Ver imagen jdoe0001

Answer Link

Otras preguntas

What does the underlined word mean in the following sentence? ¿Puedo tomar un mensaje? to leave to take to drink to talk

If gloves are being worn, the best practice is:

If f(x)=3^x+10x and g(x)=4x-2, find (f+g)(x)

Summerschool help part 2

What is the sum of the geometric series 3∑i=1(8(1/4)^i-1)? A.) 21 B.) 21/2 C.) 10 D.) 21/8

What reason best explains why the grievance was included n the declaration?

plz help translate into Spanish need help no google translate teacher will know Stress can kill you make you depressed and can be bad for your blood pressure an

What is the solution to this equation? √x=7 A. x=√ 49 B. x=√7 C.x=14 D. x= 49

A basket contains 14 white eggs, 15 brown eggs, and 11 lemons. Taylor is in a hurry to make breakfast and picks something from the basket at random.The exact pr

NEED HELP ASAP PLEASE