carolinethaxton258 carolinethaxton258

06-11-2019
Mathematics

contestada

The perimeter of a rectangle is 30 cm the length is 9 cm long longer than the width what are the length and width of the rectangle

Respuesta :

KaptenASP KaptenASP

06-11-2019

Step-by-step explanation:

perimeter = 2(length) + 2(width)

let x represent the width of the rectangle

[tex]30 = 2x + 2(x + 9)[/tex]

[tex]30 = 4x + 18[/tex]

[tex]12 = 4x[/tex]

[tex]x = 3[/tex]

therefore width = 3 cm

length = 3+9

= 12cm

Answer Link

Otras preguntas

Select the correct answer. Who is responsible for preparing and serving drinks? 1. a server 2. a host 3. a bartender 4. a chef

HELP ASAP!! Will give brainliest!! Which of the following describes some of the ways in which settlers adapted to the environment of the Texas Plains? A) They i

Convert 13,000,000,000,000,000,000,000,000 to scientific notation.

the mechanical energy of a 2kg body is 35J and its potential energy is 10J calculate speed energy

PLEASE HELP ITS DUE IN 3 HOURS!! 6. Match the correct definition to each vocabulary term:

Write a balanced equation for the reaction between chromium metal and hydrochloric acid to form chromium(III) chloride and a reactive gas.

Hang was trying to factor 10x^2 + 5x she found that the greatest common factor of these terms was 5x and made an area model what is the width of the area model

Plsss help me and thank youuuuu

Which persuasion tactic used in advertising does the idea of everybody's doing it apply to? humor repetition bandwagon facts and statistics

Vince's family restaurant is a delight for the taste buds and wallet. With simple Italian food like spaghetti and lasagna, the best reason for a visit is the ga