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

What knowledge do you need to gain in order to be able to critique music using the elements music?

Which of the following is equivalent to 5x - x + 3x = 30? A 8x = 30 o 7x = 30 с 3x + 5= 30 x = 30

What is an equation of the line that passes through the points (-6, 3) and (-6, -3)?

Describe how water molecules move through the cell membrane during osmosis

17 potatoes can fit into one basket. How many baskets would you need if you had to store 190 potatoes? Show all your work.

Studying may be a challenge for Shawna. What skills can she use to help her learn new material and prepare for examinations?

Work out the answers to: a) 7 x(-4) b) (-6) x 8 c) (-5) × (-9)

what were some strengths the the new government under the Articles of Confederation. 50 points!

A local movie theater earned $250,000 in revenue last year. What were the movie theater’s mean monthly earnings last year to the nearest dollar

1. Ifx- y = 6 and 3x – 10 = 2y, what is the value of y? I I A. -8 B. -4 C.4 D. 8