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 domain for f(x) and g(x) is the set of all real numbers. Let f(x) = 2x2 + x − 3 and g(x) = x + 2. Find (f • g)(x). A) x2 − 4x + 3 B) 2x3 − x2 + 4x − 3 C) 2x

What is static electricity

Which of the following is thought to be the common ancestor to plants? A. Chemoautotrophs B. Chordata C. Cnidaria B. Chlorophytes

What is belief bias and what is the best way to avoid belief bias when making decisions?

Write 5 sentences using infinitives

The area of a rectangle is[tex] {96}^{2} [/tex]inthe length of the rectangle is 8 inches. Find the perimeter of the rectangle. show all of your work for full cr

picture down below please help me out i need help

Write a two to three sentences paragraph that link all of the terms in a group treaty/ Ratify/ territory/ reservation

Which of the following is the best name for a compound made from nitrogen and oxygen? (N 2 O 3 ) nitrogen oxide nitrogen II oxide nitrogen trioxide dinitr

Which phenomena naturally warms earth lower atmosphere and surface?