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

After conducting interview, you must determine

The trustworthiness of a speaker adds to the speaker's A. emotional appeal. B. ethical appeal. C. verbal appeal. D. appeal to reasoning.

Is it safe to take Capsule lycored during pregnancy?

What was Germany's ultimate goal in the Battle of the Bulge? To reconquer lost French territory To trick the British into surrendering To push the Allied troops

2 differences between the people in Shakespeare's time period and the people today?

where are volcanoes most likely to form

2 differences between the people in Shakespeare's time period and the people today?

where are volcanoes most likely to form

Why would the owner of an automobile factory want the employees to specialize? A. Employees would learn every part of building a car. B. Employees would

Factor completely. 15a² + 55a - 20 A. 5(3a² + 11a - 4) B. 5(a + 4)(3a - 1) C. (5a + 2)(3a - 10) D. (5a + 4)(3a - 5)