superboi27 superboi27

02-05-2021
Mathematics

contestada

Solve the following problems. It may be helpful to set up an equation. The sum of two numbers is 13, the difference is 4. What are the numbers? pls help

Respuesta :

clarch19 clarch19

02-05-2021

Answer:

y = 4 1/2

x = 8 1/2

Step-by-step explanation:

x + y = 13

x - y = 4

substitution method: let x = 4+y

4+y + y = 13

2y = 9

y = 4 1/2

x = 8 1/2

Answer Link

Otras preguntas

mercury thermometer was invented by

The concept of protected rights began with: A) the Magna Carta B) Enlightenment C) English Bill of Rights D) Great Awakening

Describe how insulation works and the role it plays in keeping our homes at a comfortable temperature.

what is 1 5/8 +4 7/8 show work

Use a transformation to solve the equation. m+12.6 = –24 a. m = –36.6 b. m = –12.2 c. m = 12.2 d. m = 36.6

what is 1 5/8 +4 7/8 show work

Cuneiform is a. a Sumerian form of writing b. a Persian invention c. a Lydian invention d. an Egyptian form of writing

what are integers that are not whole numbers

what is the relationship between knights and nobles

Use a transformation to solve the equation. m+12.6 = –24 a. m = –36.6 b. m = –12.2 c. m = 12.2 d. m = 36.6