lashonaw19 lashonaw19

15-02-2021
Mathematics

contestada

The sum of two numbers is 139 and the difference is 53. Explain how to find the two numbers.

Respuesta :

thebecks thebecks

15-02-2021

Answer:

43 & 96

Step-by-step explanation:

x=one number

y=other number

x+y=139

x-y=53 x=y+53

substitute for x

y+53+y=139

reduce

2y+53-53=139-53

2y=86

2y/2=86/2

y=43

x=96

Answer Link

Otras preguntas

Transform this equation to slope-intercept form: 6x + 4y = 8

Which best describes consensus historiography? A) a bottom-up look at historical events to rethink the traditional perspective B) a re-interpretation of facts b

As the number of pages in a photo book increases, the price of the book also increases. There is an additional shipping charge of 15%. The price of a book can b

Due to human demand because of its importance to life, the Earth's most precious resource is: A) oil. B) freshwater. C) saltwater. D) soil.

What is 21/35 in simplest form? Show steps in simplifying it.

What do scientists estimate is the approximate age of the planet earth? A) 660 million years B) 3.5 billion years C) 4.6 billion years D) 12.2 billion

A horticulturist plants ten saplings each of 20 different types of plants in his garden. He wants to observe the growth pattern in these samples so that he can

Describe how sound from radio reaches all parts of them room

Which of these techniques originated in the realist era? A) the trend of using heroic characters B) the use of dialect in speech C) the trend of employing tragi

A Stream Channel is formed when water A) carves a narrow path into rock. B) carries minerals into the ocean. C) carves a very deep and wide channel into rock.