turtleiscool82ca turtleiscool82ca

03-10-2019
Mathematics

contestada

if the dimensions of a rectangle are A plus 3b and A minus 3b what is the area of the rectangle

Respuesta :

mcat989 mcat989

05-10-2019

area=legnth times width

we notice this is a special case

(a+b)(a-b)=a^2-b^2

area=(a+3b)(a-3b)=a^2-9b^2

area=a^2-9b^2

Answer Link

Otras preguntas

The management of a diverse group of customers with different needs within the same service setting is called:

The process by which one's physiological defense system becomes less efficient at fighting illness is called ________ and this process is enhanced by elevated s

Pa help naman po!!! Activity 1: Institutionalized! Directions: Survey and list down at least five State and Non-State institutions that are present in your loca

How many kingdoms are in the modern system of classification?

Please help!!! Which of the following require proof in a logical system? Check all that apply.A. CorollariesB. TheoremsC. PostulatesD. Axioms

Actividad Nº14 a. Imagine que padece un problema de salud (un reiterado dolor de cabeza, por ejemplo) y va a un centro de atención en el que hace una consulta

List the reasons why people might choose individual sports over team sports?

HELP QUICKLY PLEASE!!

Pls help Spam answers will be reported Give a good explanation

4. If matter goes through a chemical change, are the physical properties likely to stay the same?• Please say yes or no and explain why.