9v2y4ndjhg 9v2y4ndjhg

03-12-2020
Mathematics

contestada

The length of a rectangle is three times its width. If the area of the rectangle is 243 m squared, find it’s perimeter

Respuesta :

03-12-2020

Answer: 72

Step-by-step explanation:

L= 3W

area of a rectangle A= LxW

replace L with 3 W

A=3W*W= 3w^2

243=3W^2

243/3=W^2

81=w^2, and W=9

L=3*9=27

P= (L+W)=2(27+9)=72

Answer Link

Otras preguntas

Use the function g(x)=5x−2 to complete the table. please help

* When Rome fell, what was lost? explain in 5-7 sentences

j'aime rendre la vie des gens difficile si vous n'aimez pas cette questionBRÛLER !!!!en tous cas ...J'espère que tu as passé une bonne journéeUwUVOULEZ-VOUS VOI

how can you compare ratios to solve a problem?

The isotope of an atom containing 31 protons and 39 neutrons suddenly has two neutrons added to it. What isotope is created? Yttrium-72 Gallium-72 Gallium-41 Y

50+30x=250+10x Help!!!!!

Which type of pathogen causes the flu? protozoa bacteria virus fungi

what are the reactants of enzyme-catalyzed reactions called?

Answer two questions about Equations A and B: A. 20 -1 = 52 B. -1 = 32 1) How can we get Equation B from Equation A? Choose 1 answer: Add/subtract the same quan

A graph shows time (minutes), numbered 2 to 18 on the horizontal axis (t), and altitude in feet, numbered 30 to 270 on the vertical axis (h). A solid circle app