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

What kind of religion did the ancient egyptians practice?

How many moles are found in a 100.0 g sample of CuF2?

Why was nelson mandela admired?

Which of these groups would have been LEAST likely to be a major ethnic group in Latin America? A) African Eliminate B) Amerindian C) Arab D) European

how do you check your answer when solving a two step equation?this is the equation I'm working on. -2q-5 = -11 +5 +5 -2q = -6 ÷(-2)

Rocky wants to find the best price he can for new socks he found 6 pairs for 19.50 and 12 pairs for $30.00 which is the better buy

Solve the equation 5h -9 equals -16h

Sharita does special typing jobs for scientists. she charges $7 for the first 3 pages and $3 for each additional page of scientific typing. sonia, a biologist,

Answer the question in the image attached -

Which decimal number is 17/22 equal to?