aylagassner aylagassner

03-06-2020
Mathematics

contestada

The tens digit of a certain number is five more than the units digit. The sum of the digits is 9. Find the number.

Respuesta :

yyellowcreek yyellowcreek

03-06-2020

Answer:

Number = 72

Step-by-step explanation:

unit digit--- x

tens digit--- x + 5

x + x + 5 = 9

2x + 5 = 9

2x + 5 - 5 = 9 - 5

2x = 4

x = 2

2 + 5 = 7

tens digit = 7

number = 72

Answer Link

Otras preguntas

Wages. JoAnn works in the publicity office at the state university. She is paid $10 an hour for the first 35 hours she works each week and $15 an hour for every

A bottle rocket that was made in science class had a trajectory path that followed the quadratic equation y=-x^2+4x+6. What is the turning point of the rocket's

which expression is equivalent to x^4-y^4?

Is STM semantically or acoustically encoded??

What two factors determine the state of rocks and metals Inside the earth?

what type of fractions are the following A) 1/3 A) Improper B) mixed C)wholeB) 5 1/6C) 6/5answer A B C with the three multiple choice answers.

what does the zeppelin

Identify the turning point of the function f(x)=x^2-2x+8 by writing its equation in vertex form. Show work

what is the cell cycle??

What organs work with skin?