shaniad337
shaniad337 shaniad337
  • 04-08-2017
  • Mathematics
contestada

A rectangle is 3 times as long as it is wide. The perimeter is 60cm. Find the dimensions of the rectangle.

Respuesta :

Banabanana
Banabanana Banabanana
  • 04-08-2017
width = x 
length = 3x

2(x + 3x) = 60
4x = 60/2
4x = 30
x = 30/4
x = 7.5 cm   ← width 

length = 3x = 3 * 7.5 = 22.5 cm


Answer Link
kateacrissy01 kateacrissy01
  • 04-08-2017
7.5cm x 22.5cm is the answer.
Answer Link

Otras preguntas

Which of the following is an example of how Confucius's teachings were used in the Han dynasty? A. The Han emperors demanded respect from their subjects while f
Georgia’s governor wants to host the Olympics in Atlanta. Which type of temporary committee would he most likely create to study the issue? Standing Conference
Can someone help me on this plz
what is [tex]\frac{2}{7}[/tex] · [tex]\frac{3}{4}[/tex] A: [tex]\frac{5}{28}[/tex] B: [tex]\frac{5}{14}[/tex]C: [tex] \frac{3}{14} [/tex]
In order to develop good sleep hygiene, one should strive to do all of the following except __________.A.exercise right before bedB.avoid caffeine before bedtim
Which religion was dominant at the end of the Roman Empire
A diagonal of a parallelogram is 50 inches long and makes angles of 37°10' and 49°20' with the sides. How long is the longest side? 30 in. 38 in. 40 in.
what is the answer in the middle 30* =90
PLZ HELP YALL1. Which layer of the Earth do convection currents occur in? (1pt) 2. Explain how these convection currents cause the crust of the Earth to move.
Picture attached multiple choice