01-12-2020
Mathematics

contestada

El producto de 3 y un número, disminuido en 28 es 89. Cuál es el número?

Respuesta :

01-12-2020

supone que este número es sustituido por la letra m

(3xm) -28 = 89

tenemos que sumar 28 en los dos lados

3xm = 117

para saber que numero es m tenemos que dividir por 3 los dos lados

m = 117/3

m = 39

Answer Link

Otras preguntas

Pls I need help on this

10. The fifth term of an arithmetic sequence is 11 and the tenth term is 41. What is the first term?

science gift as curse

Civilizations that emerged in Mesopotamia relied on these natural and mineral resources for survival, except A. rivers B. animals C. precious metals D. weapons

today is the first to day to go back to school :(

Within the last five baseball games, Joe got a hit 16 out of 20 times at-bat. Write the amount of times Joe got a hit as a percent.

Need an answer asap please show work

The average house price in London in 2017 was £474902 The average house price in London in 2018 was £469538 Calculate the percentage change in house prices betw

How are atoms and elements related? Please explain with full and clear sentences. Thank you! :)

1. What is the smallest number of apples that can be placed in baskets with 15 and 25 pieces? A. 75 B. 150 C. 300 D. 600