sarmientojose8374 sarmientojose8374

03-10-2017
Mathematics

contestada

The length of a rectangle is 3 less than twice the width if the perimeter is 30 find the length and width

Respuesta :

jpGymnastics7Books jpGymnastics7Books

04-10-2017

Let x = width
2x-3= length

2W + 2L = Perimeter
2(x) + 2(2x-3) = 84
2x+4x-6=84
6x-6=84
6x-6=84+6
6x=90
x=15 ft Width
2x-3 = 2*15-3 = 27 ft Length

Check: 2*15 + 2*27
30 +54
84 It checks!!

I hope this helped!

Answer Link

Otras preguntas

would you rather be a senator or a representative member? why or why not?

What long-term effect do you think EU membership will have on nationalism in Europe? Explain.

How is carbon dioxide obtained?

In little Marsden the population is 17 222. The men and women together total 9142 and the women and children together total 13 201. There are ...... Women There

What are the origins of prevailing ideas about natural, ideal, and deviant bodies in sports and in society?

In a class of 35 students, 25 girls averaged 92% on the last test, while the 10 boys averaged 85% on the same test. What is the average for the entire class on

An oscillator makes four vibrations in one second. What is its period and frequency?

What are enzymes also known as? What do enzymes do to biological reactions? What do we call the special shape on an enzyme molecule? What are enzymes made of? W

The sum of a number and 18 times its reciprocal is 11. Find the number(s). Let x represent the unknown number. The Reciprocal of x is____?

What is HIV and the causes