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

An estimator receives an average quote fora traffic control subcontractor of $1570 for the job duration. If the lowest bid is 4 % under average, and the highest

What is mad of the following data 20,20,40,50,50,50,50,50,60,60,60,70,70,70,70,70,70,70,70,80

A box rests on the back of a truck. The coefficient of friction between the box and the surface is 0.32. (3 marks) a. When the truck accelerates forward, what f

PLEASE HELP!! Match each polynomial with the appropriate explanation regarding the roots of the related polynomial equation.

Which numbers are solutions of the inequality? x > –5; –7, –5, –1

When Coca-Cola carries a different price depending on whether the consumer purchases it in a fine restaurant, a fast-food restaurant, or a vending machine, then

Gothic Cathedrals were distinguished by all the following except: A.) Fantastic Sculptures B.)Large Stained Glass Windows

write three examples about the relationship between the school and the students

A box is being pulled by two people. The ropes make angles of 40Â° and 55Â° with the direction of motion of the box. If the resultant force is 700 N, find the f

The solutions to the inequality y > −3x + 2 are shaded on the graph. Which point is a solution? (0, 2) (2, 0) (1, −2) (−2, 1)