emma2576 emma2576

21-08-2018
Mathematics

contestada

"the sum of the digits of a two-digit number is 12. The difference of the digits is 2. find the number if the units digit is larger than the tens digit"

Respuesta :

Аноним Аноним

21-08-2018

let the number be xy then

x + y = 12

y - x = 2 ( because y > x)

adding we get 2y = 14 so y = 7

and x = 12 - 7 = 5

So the number is 57.

Answer Link

Otras preguntas

The term semite refers to a large language ethnic grouping that includes which two middle eastern people among its members? a. Jews and Chaldeans b. Persians

What is the ratio of 7:8

0.2% of what number is 12

turn ten times the quotient of 104 and 8 into an expression

Annelids have a(an) ____ circulatory system, in which blood is contained in a network of blood vessels. a. open b. dorsal c. closed d. ventral

What factor united the various groups of people in the Byzantine Empire?

Which person lead the rebellion against Shi Huangdi’s harsh rule? Chen Seng King Zheng Empress Wu Chengho

What term describes two lines that have a point in common?

Calendars were developed for many reasons. Which of the following did not prompt the development of a calendar? a. Farmers needed to know when to plant their c

To create an effective fitness program, you need to find activities that are