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

n referring to the deportations during the Armenian genocide, what does correspondent Henry Wood say was the “terrible feature of this deportation”? They will
what does the man of the left represent? what does the men on the right represent? why is there a hat on Central and South America?
tickets to an orchestra concert cost $25.50 apiece plus a & 2.50 handling fee for each order. if jamal spent $79 how many ticket did he purchase
Solve this system of equations. 12x − 18y = 27 4x − 6y = 10
find an equation (in term of x) of line through the points (-1,3) and (1,4)
which of the following is true regarding the great missionarybperiod 1610-1680
Condition of normal breathing called
What is the molarity of a solution that is prepared by adding 57.1 g of toluene (c 7 ​ h 8 ​ ) (density = 0.867 g/ml) to a 250 ml volumetric flask, and then fil
The embryonic stage is the most critical stage of fetal development.​ True False
Write structural formulas for all of the possible structural isomers of n -hexene that can be formed by moving the position of the double bond. only consider t