AnnabelleRose AnnabelleRose

24-06-2017
Mathematics

contestada

The length of a rectangle is four times its width.
If the area of the rectangle is 144 yd^2, find its perimeter.

Respuesta :

ghanami ghanami

24-06-2017

hello;
x is the length , y the width :
x = 4y...(1)
xy = 144....(2)
subsct in (2) : 4y(y) = 144
y² = 36
y = 6 yd so : x = 24 yd
the perimeter is : 2(6+24) =60 yd

Answer Link

Otras preguntas

Help please I’m being timed on this and I’m having anxiety right now.

Consider a 2250-lb automobile clocked by law-enforcement radar at a speed of 85.5 mph (miles/hour). if the position of the car is known to within 5.0 feet at th

Suppose that \nabla f(x,y,z) = 2xyze^{x^2}\mathbf{i} + ze^{x^2}\mathbf{j} + ye^{x^2}\mathbf{k}. if f(0,0,0) = 2, find f(1,1,1). hint: as a first step, define a

What type(s) of intermolecular forces are expected between ch3ch2ch2ch2ch2oh molecules?

Carlos operates a helicopter. Carlos decides to measure the rotational velocity of the helicopter blades.What would be an appropriate unit for Carlos's purpose?

What is the name for group 3-12 elements on the periodic table?

Which type of economy distributes resources mainly through families?

The Stolen Valor Act made it a crime to make false claims about receiving 1)wounds in battle 2)military awards 3)classified information According to the act, th

After William and Mary ascended to the throne of England, what document did Parliament insist that their new monarchs follow? Scottish Covenant Articles of Co

sentence diagram. A woman left this package for you.