whitney9 whitney9
  • 11-06-2017
  • Mathematics
contestada

The length of a rectangle is 5 meters less than 3 times the width. The perimeter is 46 meters. Find the width.

Respuesta :

mathmate
mathmate mathmate
  • 25-06-2017
Given
L=3W-5 m
Perimeter=46 m
=>
2(W+L)=2W+2(3W-5)=8W-10=46
W=(46+10)/8=7m
L=3W-5=21-5=16m
Check:
perimeter = (7+16)*2=46m [exactly!]
Answer Link

Otras preguntas

Which of the following statements best characterizes changes to our culture in the United States since 1900
When referring to osmosis, water moves from a hypotonic to a hypertonic environment t or f?
The actual process of chromatin remodeling in eukaryotic cells does not involve:
Why were African American voters more likely to vote Republican in the late 1800s?
Can someone please help me with 1 and 2
Teenagers who score below the health standard in a specific fitness component may need to:
What kind of husband does Jaggers think Drummle might be? A. Kind B. Abusive C. A pushover D. Unfaithful
Three brothers have ages that are consecutive odd integers. The difference between the age of the oldest and twice the age of the youngest is twenty-four less t
?? Pls help I think it’s the last one
BRAINLIESTTT ASAP!!! 1. explain how distances are measured in space 2. distinguish the hierarchical relationships between objects in space