landmar04 landmar04

03-07-2018
Mathematics

contestada

Which number should be multiples to obtain 165^2-123^2

Respuesta :

03-07-2018

The identity in question is called the difference of two squares:

[tex]a^2 - b^2 = (a+b)(a-b)[/tex]

So

[tex]165^2-123^2=(165+123)(165-123)=288\times 42[/tex]

Answer Link

Otras preguntas

A chemical reaction in which two elements or radicals change places with two other elements or radicals is a _______ reaction. A. double replacement B. combin

When applying the tail jack, you should grasp the tail? a. at the end of the tail b. at the middle third of the tail c. at the last half of the tail d. with bot

At the zoo Brooke learned that one of the Rhinos weight 4,897 pounds,one of the giraffe weight 2,667 one of the African elephant weighs 12,456 pounds, and one o

A well-known transform boundary found in California is the _____. San Francisco fault, San Andreas fault, San Diego fault, OR San Jose fault?

A gene is to a chromosome as a. a pea to a pod b. a front is to a back c. a bike is to a car d. a building is to a window

is the greatest product of a 3 digit number & a 1 diget number is 8,891 ?

In ∆ABC, which ratio equals cos C?

To make this equation true we need parentheses 15 + 3 ÷ 3 = 6 A) nowhere B) around 3 ÷ 3 C) around 15 + 3 D) ar

knowing the latitude of a location would be most helpful in determining

Twelve eggs cost $2.09.How much would 18 eggs cost?