MichaelKiggns MichaelKiggns
  • 11-04-2018
  • Mathematics
contestada

The length of a rectangle is twice its width. If the perimeter of the rectangle is 54cm , find its length and width.

WILL GIVE BRAINLIEST

Respuesta :

mkryukova19 mkryukova19
  • 11-04-2018
lets with be - x
then length - 2x
Perimeter= 2*x+2*2x=2x+4x=6x
P=54
6x=55,
x=9 width
2x=2*9=18  length
Answer Link

Otras preguntas

please need help with math probelm if do 5 star
Points A, B, C and D have coordinates A(5, 7), B(7, 1), C(17, m) and D(−1, 3). If line segments AB and CD are perpendicular, what is the value of m?
Use example to explain how changes to both living and non living parts of an ecosystem can affect individuals and communities population
The Story of the Dress that Sang
What is the atomic number of a sodium atom that has 11 protons and 12 nucleus
Please help me 1. Find and interpret the x- and y-intercepts of this line. 2. Find and interpret the slope of this line. 3. Find an equation for this line. 4
1.A gas sample has a volume of 150. L when the pressure is 7.00 atm. If the temperature and amount of gas remains constant, what volume will the gas sample occu
The engine life for a certain brand of lawnmower is modeled by the function f(h)=50-1/3h where h represents hours used. What does this function mean A. Engine l
Provide the genotype for the long nose phenotype
ourcing What does the author tell us about herself? What kind of person do you think she is based on the information in this letter?