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 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

B. In your opinion, which Asian nation has had the greatest success in meeting its peoples’ needs since World War II? Justify your answer with specific details.
a company pays $379.50 for its employees to attend a luncheon. if the cost is $8.25 per person, how many employees does the company have?
how high is the tree in cm
What is the proper or customary behavior in your work environment?
Given: x y = 10. if x = -21, what is y ?
What Possible suggestions you can give with animal breeders
Solon is an important figure in the history of ancient Athens because he
what is not the power of the president
what is the percent by mass of carbon in c10 h14 n2?
Who described atoms as small spheres that could not be divided into anything smaller? bohr dalton rutherford thomson