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

science fair ideas???

A certain car sells for $20,000, if it is paid for in full (the cash price). However, the car can be financed with a 10% down payment and monthly payments of $1

Viruses and bacteria can infect human cells. Bacteria are living organisms, while viruses are not. How do you think the treatment for viral and bacterial illnes

How I can answer this question, NO LINKS, if you answer correctly I will give u brainliest!

HELP ASAP PLEASE!!!!!!!

Which of these words from the paragraph is NOT a transitional word or phrase? A. Both b. On the other hand C. Seldom d. Even though

in order to live on one’s own, rather than in an institution, the person must be

What is the missing term? Please help me!

In Fig. A-3, a force F passing through C produces a clockwise moment of 600 ft-lb about A and a counterclockwise moment of 300 ft-lb about B. Determine the mome

write a story that ends with the expression never will I do that again