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 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

Find slope of a line parallel to each givien line -x = 2y - 6
A shipping corporation supporting the campaign of an ohio congressman for the post of governor would be protected by the first amendment under the category of _
Coordinates of a triangle are (7,0) (0,8) and (20,10) what is the area of the triangle
Which is a symptom that requires prompt medical attention?
Ella spent her whole allowance of $2.00, plus the 16¢ she had left over from last week, in bubble gum. If the pieces of gum had been a penny cheaper, she would
What's is 2/5 of 20 A. 4 B. 8 C. 20 2/5 D. 40
When price increases, quantity supplied ( A. Stays the same) ( B. Decreases) ( C. Increases) (D. Becomes zero)
Researchers find that there is a significant positive correlation
every 5 years in march the population of a certain town is recorded in 1995 the town had a population of 4,500 people. from 1995-2000 the population increased b
Please answr ASAP !!!!!!# BRAINLIEST ANSWER AND 10 PTS !!! Match each kingdom to an important event : OLD KINGDOM,NEW KINGDOM, AND MIDDLE KINGDOM A. Theban pri