rhiyajb07
rhiyajb07
23-08-2017
Mathematics
contestada
what is 89+27+11 using a mental math property
Respuesta :
mathmate
mathmate
23-08-2017
Everyone works differently in mental math.
Using the property of commutativity, we can (mentally) rearrange to calculate 89+11 + 27
Since 89+11 is exactly 100, the sum is therefore 100+27=127.
Answer Link
VER TODAS LAS RESPUESTAS ( 39+ )
Otras preguntas
Corporation was organized on January 1, 2021. The firm was authorized to issue 100,000 shares of $5 par common stock. During 2021, QWN had the following transac
convert 60 m/s into km/h
I'll ask this question again. You can get 7 points. Sammie Ardito Rivera’s story talks about the importance of traditional foods for contemporary American India
Determine whether each ordered pair is a solution of the inequality-3x-4y<6
Why do journalist write the way they do? Why do they use the inverted pyramid? I'll give brainlist!! And believeable basic answer
Given the scatter plot, choose the function that best fits the data.a. f(x)=3xb. f(x)=-3xc. f(x)= 3^xd. f(x)=3x^2
which function rule represents the data in the table?
I need it today please
HELPP I need help please help I’m in a rush!
Johnson Construction Company is going to build a house on a concrete slab. The slab is to have dimensions 30 feet by 20 feet by 2 feet. How many cubic feet of c
