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

Janis has found that she must consume 1,600 calories a day to reach her health goals, but she doesn't want to give up her morning cereal. Unfortunately, she ten

Users generally do not understand the concept of network drive sharing. they only know they can store their files "on my f: drive" and are unaware that someone

what are the spiral arms of the milky way made of?

in the following sentence, which word is the adjective?the cold wind blew snow and dust across the road.

Which of the following inequalities matches the graph? (see attached photo) A y less than or greater to –one halfx - 4 B y > –one halfx - 4 C y < –one hal

what is the volume of a rectangular prism with a height of 7 units, a width of 5 units, and a length of 8 units

a regulation softball has a circumference of 12 inches. what is the volume of the softball?

PLEASE HELP Let u = <4, 8>, v = <-2, 6>. Find u + v. Answer options: <6, 2> <2, 14> <12, 4> <10, 6>

You are starting a Shaved Ice business and need to decide on a cup. Your choices are between a cone and a cylindrical shaped cup. The cone shaped cup has a di

Which of the following algebraic expressions can be used to express the statement "five less than y squared?" 5 − 2y 2y − 5 y2 − 5 5 − y2