brebreansley brebreansley

18-08-2017
Mathematics

contestada

The length of a Rectangle is twice the width find the width if the perimeter is 60 cm

Respuesta :

kphung76127 kphung76127

18-08-2017

Perimeter= 2(length+width)

60= 2(l+w)
l=2w

Substitution method
60= 2(2w+w)
60= 2(3w)
30= 3w
10= w

Plug the value of w in.
l= 2(10)
l=20

Final answer: Length= 20, width=10

Answer Link

Otras preguntas

What role did religion play in Greek medicine ?

Simplify the product. 5/n+1 x n+1/n+3

How do you think your ability to work might be affected if you don’t magnify a document so that text is at a size for you to read easily?

Is the square root of two rational numbers 1. sometimes rational 2.always rational 3. never rational

A baby is born with blood plasma proteins that attack A antigens (anti-A antibodies). What blood type must this baby be?

What is the mass in grams of BaCl2 that is needed to prepare 200 mL of a 0.500 M solution

n "The Adventure of the Blue Carbuncle," what does Peterson find in the goose? twenty gold pieces an opal brooch a large jewel an expensive watc

please help on this one?

Carbon dioxide is the primary anthropogenic radiative forcing. Select one: True False

use the table below to answer this question: find the average rate of change for the given function from x = -1 to x = 5