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

Why did so many african countries face difficult challenges after winning their independence?

I need help plz stuck on this one.

What is number 10?! Plz Help. I need Help almost instantly!

The early light of morning lay rosy red upon the mountains, and a fresh breeze rustled through the fir trees and set their ancient branches waving to and fro. T

What is the economy?

To fully understand a text, it is important to consider A. the author's credibility B. the overall length C. the number of images D. the number of unkn

100^m ÷ 1000^n can be written in the form 10^z. Express z in terms of m and n

Draw a lewis structure for hcsnh2. (the carbon and nitrogen atoms are bonded together and the sulfur atom is bonded to the carbon atom.)

I need in biology some one help ASAP PLEASE i

Can someone please simplify these using product notation?