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

placing 12 tiles side by side, Pete can make a 12-by-1 rectangle. Name two other rectangles Pete can make with 12 tiles

What's 45 out of 58 in percentage?

Explain why a mixed number is not in the set of intergers or whole numbers

What is an equivalent fraction for 20/12

what is the solution to 1/3(s-2)=s+4

The gram formula weight of phosphoric acid is 98.00 g/mol, and the density of 85.0% phosphoric acid is 1.685 g/mL. Could you describe how ...

A crime suspect fled the scene when police officers entered the building. How far could he run in 10 minutes if he can run 5 miles per hour?

Explain the connection, or relationship between a protagonist and an antagonist.

which property you used.64+58= +64

What was Italy’s primary role in the WWII?a. It helped Germany in accomplishing its main objectivesb. It was helpful to Britainc. It caused problems for Japand.