selenasarahi selenasarahi
  • 18-05-2015
  • Mathematics
contestada

The length of a rectangle is six times its width.
If the area of the rectangle is 600yd^2, find its perimeter.

Respuesta :

darth666
darth666 darth666
  • 18-05-2015
rectangle area = a*b
perimeter = 2(a+b)

a - lenght
b - width

a = 6b

a*b=600
6b*b=600
[tex]6b^2=600[/tex]
[tex]b^2=100[/tex]
[tex]b=\sqrt{100}[/tex]
b=10
a = 6*10 = 60
Perimeter = 2(a+b)=2(60+10)=2*70=140 yd


Answer Link

Otras preguntas

Underground Floors charges $8 per square foot of wood flooring plus $150 for installation. Woody's Hardwood Flooring charges $6 per square foot plus $200 for in
Which of these is an essential quality of a successful scientific experiment? A. It is well funded and profitable to the experimenter. B. It has been referenced
Creating and following a budget will help prevent common college financial mistakes, such as racking up credit card debt or misusing your loan money. True or Fa
The main span of Bridge A ​(2800 ​feet) is​ _____ percent shorter than the main span of Bridge B ​(4500 ​feet).
Need help on number 5!
What "broken promises" is Chef Joseph referring to?
(True/False). Will this SQL statement create a table called vehicletype? INSERT INTO vehicletype (carid INTEGER PRIMARY KEY, typeofvehicle TEXT, manufacturer TE
186km at 3:00 the speed limit is 65km/h
For the real-valued functions g(x) = 4x-3 and h(x)=√x-2, find the composition g h and specify its domain using interval notation.
What is the result of 36 over 9 + 6?