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

A fully charged camera battery is an example of what type of energy?

HELP PLEASE What statement is true about lethal alleles? A. They cannot be maintained in a gene pool because they are always dominant. B. They cannot be maintai

A car travels 25 miles every half-hour. How fast is it going?

What molecule is represented by the molecular model shown below? (See photo) A. Glucose B. Adenosine triphosphate (ATP) C. Adenosine diphosphate (ADP) D. Starch

A company uses hazardous chemicals to make its product but does not buy protective gear for its workers due to expense. The worried workers have written to the

What are the inputs and outputs of cellular respiration and photosynthesis? water energy sugar oxygen carbon dioxide

By definition a social healthy person has access to clean water and educated living space and makes effort to recycle

Which of the following cannot be used as a justification to limit inmates first admendment rights? A: to maintain order B: to improve security C: for rehabili

1. Is heart disease an inevitable part of growing older?

Which of the following is an example of quantitative data? A. a solution cantains copper ion B. A plant has five flowers C. A solar system has nine planets