liljay123 liljay123

12-01-2017
Mathematics

contestada

27-(63-8)and(72-63)-8 is it equivalent or not and why

Respuesta :

katiem320 katiem320

12-01-2017

They are not equivalent because 27-(63-8) is equal to -28 and (72-63)-8 is equal to 1.

Answer Link

LittlestRedTeal LittlestRedTeal

12-01-2017

For the first one is
27-(63-8)
27-55
28

The second one is (72-63)-8
9-8
1

They are not equivalent.

Answer Link

Otras preguntas

How many chromosomes does a female karotype have

Alice earned interest of $120 from an investment of $1000 for two years. What is the rate of simple interest per year what does this mean

Which verb form best completes this sentence? Je _________ de très bons restaurants à Nice. A. savez B. connaît C. sais D. connais

9/15 as a percent and decimal

Does anyone know the answer to this

At a block party, cyndi is introduced to eight new neighbors. moments later, she can only remember the names of the first three and last two neighbors. her expe

A local hamburger shop sold a combined total of 767 hamburgers and cheeseburgers on Sunday. There were 67 more cheeseburgers sold than hamburgers. How many hamb

Helppppoop 5th grade work

If the distance between 2 objects is decreased to one forth of the original distance, how will this decrease change the force of attraction between the objects?

Why are these incorrect 3sqrt 7 - sqrt 7 =3